81499837

素因数分解:

${\mathrm{31}}^1\times {\mathrm{127}}^2\times {\mathrm{163}}^1$

素因数の和:448

約数の個数: 12

約数和(自身を含む): 85316736

約数和(自身を除く): 3816899

約数列:

[1, 31, 127, 163, 3937, 5053, 16129, 20701, 499999, 641731, 2629027, 81499837]

約数ペア:

[(1, 81499837), (31, 2629027), (127, 641731), (163, 499999), (3937, 20701), (5053, 16129)]