divisor%20function
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6 matching pages
1: 27.2 Functions
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►is the number of divisors of and is the divisor function.
It is the special case of the function
that counts the number of ways of expressing as the product of factors, with the order of factors taken into account.
…Note that .
…is the number of -tuples of integers whose greatest common divisor is relatively prime to .
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►Table 27.2.2 tabulates the Euler totient function
, the divisor function
(), and the sum of the divisors
(), for .
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2: 26.12 Plane Partitions
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§26.12(ii) Generating Functions
… ►where is the sum of the squares of the divisors of . … ►
26.12.26
►where is the Riemann -function (§25.2(i)).
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3: Bibliography G
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Algorithm 726: ORTHPOL — a package of routines for generating orthogonal polynomials and Gauss-type quadrature rules.
ACM Trans. Math. Software 20 (1), pp. 21–62.
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Algorithm 939: computation of the Marcum Q-function.
ACM Trans. Math. Softw. 40 (3), pp. 20:1–20:21.
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Number-Divisor Tables.
British Association Mathematical Tables, Vol. VIII, Cambridge University Press, Cambridge, England.
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Mathieu functions.
Trans. Camb. Philos. Soc. 23, pp. 303–336.
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Mutual integrability, quadratic algebras, and dynamical symmetry.
Ann. Phys. 217 (1), pp. 1–20.
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4: 26.10 Integer Partitions: Other Restrictions
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§26.10(ii) Generating Functions
… ►where the last right-hand side is the sum over of the generating functions for partitions into distinct parts with largest part equal to . … ►where the inner sum is the sum of all positive odd divisors of . … ►where the inner sum is the sum of all positive divisors of that are in . … ►§26.10(vi) Bessel-Function Expansion
…5: Bibliography W
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Evaluating elliptic functions and their inverses.
Comput. Math. Appl. 39 (3-4), pp. 131–136.
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Prime Divisors of the Bernoulli and Euler Numbers.
In Number Theory for the Millennium, III (Urbana, IL, 2000),
pp. 357–374.
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Infinitely differentiable generalized logarithmic and exponential functions.
Math. Comp. 57 (196), pp. 723–733.
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Reduction formulae for products of theta functions.
J. Res. Nat. Inst. Standards and Technology 117, pp. 297–303.
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The Nahm equations, finite-gap potentials and Lamé functions.
J. Phys. A 20 (10), pp. 2679–2683.
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6: Bibliography K
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Algorithm 737: INTLIB: A portable Fortran 77 interval standard-function library.
ACM Trans. Math. Software 20 (4), pp. 447–459.
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Methods of computing the Riemann zeta-function and some generalizations of it.
USSR Comput. Math. and Math. Phys. 20 (6), pp. 212–230.
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Connection formulae for asymptotics of solutions of the degenerate third Painlevé equation. I.
Inverse Problems 20 (4), pp. 1165–1206.
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An improvement of the remainder term in the divisor problem.
Mat. Zametki 6, pp. 545–554 (Russian).
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The Askey scheme as a four-manifold with corners.
Ramanujan J. 20 (3), pp. 409–439.
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