81996830

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{1181}}^1$

素因数の和:1372

約数の個数: 32

約数和(自身を含む): 151655328

約数和(自身を除く): 69658498

約数列:

[1, 2, 5, 10, 53, 106, 131, 262, 265, 530, 655, 1181, 1310, 2362, 5905, 6943, 11810, 13886, 34715, 62593, 69430, 125186, 154711, 309422, 312965, 625930, 773555, 1547110, 8199683, 16399366, 40998415, 81996830]

約数ペア:

[(1, 81996830), (2, 40998415), (5, 16399366), (10, 8199683), (53, 1547110), (106, 773555), (131, 625930), (262, 312965), (265, 309422), (530, 154711), (655, 125186), (1181, 69430), (1310, 62593), (2362, 34715), (5905, 13886), (6943, 11810)]