664698518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{220537}}^1$

素因数の和:220687

約数の個数: 16

約数和(自身を含む): 1095632784

約数和(自身を除く): 430934266

約数列:

[1, 2, 11, 22, 137, 274, 1507, 3014, 220537, 441074, 2425907, 4851814, 30213569, 60427138, 332349259, 664698518]

約数ペア:

[(1, 664698518), (2, 332349259), (11, 60427138), (22, 30213569), (137, 4851814), (274, 2425907), (1507, 441074), (3014, 220537)]