638125246

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{674551}}^1$

素因数の和:674607

約数の個数: 16

約数和(自身を含む): 1068490368

約数和(自身を除く): 430365122

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 674551, 1349102, 7420061, 14840122, 29005693, 58011386, 319062623, 638125246]

約数ペア:

[(1, 638125246), (2, 319062623), (11, 58011386), (22, 29005693), (43, 14840122), (86, 7420061), (473, 1349102), (946, 674551)]