id:A076720 - OEIS Search Results

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Sum of product of divisors of n and sum of divisors of n.

+0
2

2, 5, 7, 15, 11, 48, 15, 79, 40, 118, 23, 1756, 27, 220, 249, 1055, 35, 5871, 39, 8042, 473, 520, 47, 331836, 156, 718, 769, 22008, 59, 810072, 63, 32831, 1137, 1210, 1273, 10077787, 75, 1504, 1577, 2560090, 83, 3111792, 87, 85268, 91203, 2188, 95 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`Table[d = Divisors[n]; Apply[Times, d] + Apply[Plus, d], {n, 1, 50}]`
	CROSSREFS	`Equals A007955 + A000203.` `Sequence in context: A132603 A022765 A133511 this_sequence A111328 A022629 A032216` `Adjacent sequences: A076717 A076718 A076719 this_sequence A076721 A076722 A076723`
	KEYWORD	`nonn,easy`
	AUTHOR	`Emrehan Halici (emrehan(AT)halici.com.tr), Oct 27 2002`
	EXTENSIONS	`Edited by Robert G. Wilson v (rgwv(AT)rgwv.com), Oct 29 2002`

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

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