81480176

素因数分解:

$2^4\times {\mathrm{1583}}^1\times {\mathrm{3217}}^1$

素因数の和:4808

約数の個数: 20

約数和(自身を含む): 158016672

約数和(自身を除く): 76536496

約数列:

[1, 2, 4, 8, 16, 1583, 3166, 3217, 6332, 6434, 12664, 12868, 25328, 25736, 51472, 5092511, 10185022, 20370044, 40740088, 81480176]

約数ペア:

[(1, 81480176), (2, 40740088), (4, 20370044), (8, 10185022), (16, 5092511), (1583, 51472), (3166, 25736), (3217, 25328), (6332, 12868), (6434, 12664)]