639910816

素因数分解:

$2^5\times {\mathrm{1097}}^1\times {\mathrm{18229}}^1$

素因数の和:19336

約数の個数: 24

約数和(自身を含む): 1261042020

約数和(自身を除く): 621131204

約数列:

[1, 2, 4, 8, 16, 32, 1097, 2194, 4388, 8776, 17552, 18229, 35104, 36458, 72916, 145832, 291664, 583328, 19997213, 39994426, 79988852, 159977704, 319955408, 639910816]

約数ペア:

[(1, 639910816), (2, 319955408), (4, 159977704), (8, 79988852), (16, 39994426), (32, 19997213), (1097, 583328), (2194, 291664), (4388, 145832), (8776, 72916), (17552, 36458), (18229, 35104)]