208821904

素因数分解:

$2^4\times {\mathrm{3217}}^1\times {\mathrm{4057}}^1$

素因数の和:7282

約数の個数: 20

約数和(自身を含む): 404817964

約数和(自身を除く): 195996060

約数列:

[1, 2, 4, 8, 16, 3217, 4057, 6434, 8114, 12868, 16228, 25736, 32456, 51472, 64912, 13051369, 26102738, 52205476, 104410952, 208821904]

約数ペア:

[(1, 208821904), (2, 104410952), (4, 52205476), (8, 26102738), (16, 13051369), (3217, 64912), (4057, 51472), (6434, 32456), (8114, 25736), (12868, 16228)]