205220456

素因数分解:

$2^3\times 7^1\times {\mathrm{3664651}}^1$

素因数の和:3664664

約数の個数: 16

約数和(自身を含む): 439758240

約数和(自身を除く): 234537784

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3664651, 7329302, 14658604, 25652557, 29317208, 51305114, 102610228, 205220456]

約数ペア:

[(1, 205220456), (2, 102610228), (4, 51305114), (7, 29317208), (8, 25652557), (14, 14658604), (28, 7329302), (56, 3664651)]