390217676

素因数分解:

$2^2\times {\mathrm{457}}^1\times {\mathrm{213467}}^1$

素因数の和:213928

約数の個数: 12

約数和(自身を含む): 684378408

約数和(自身を除く): 294160732

約数列:

[1, 2, 4, 457, 914, 1828, 213467, 426934, 853868, 97554419, 195108838, 390217676]

約数ペア:

[(1, 390217676), (2, 195108838), (4, 97554419), (457, 853868), (914, 426934), (1828, 213467)]