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♦*♦A♦B♦C♦D♦E♦F♦G♦H♦J♦L♦M♦N♦O♦P♦R♦S♦T♦U♦V♦
\sigma _{{\alpha}}\!\left(n\right)
sum of powers of divisors; §27.2(i)
© 2008 NIST / Privacy Policy / Disclaimer / Feedback; Release date 2009-03-26 Math-Image version (See MathML) . ⇐ Notations RNotations T ⇒