31311974

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{691}}^1$

素因数の和:995

約数の個数: 16

約数和(自身を含む): 47664960

約数和(自身を除く): 16352986

約数列:

[1, 2, 139, 163, 278, 326, 691, 1382, 22657, 45314, 96049, 112633, 192098, 225266, 15655987, 31311974]

約数ペア:

[(1, 31311974), (2, 15655987), (139, 225266), (163, 192098), (278, 112633), (326, 96049), (691, 45314), (1382, 22657)]