664398434

素因数分解:

$2^1\times 7^1\times {\mathrm{1663}}^1\times {\mathrm{28537}}^1$

素因数の和:30209

約数の個数: 16

約数和(自身を含む): 1139693568

約数和(自身を除く): 475295134

約数列:

[1, 2, 7, 14, 1663, 3326, 11641, 23282, 28537, 57074, 199759, 399518, 47457031, 94914062, 332199217, 664398434]

約数ペア:

[(1, 664398434), (2, 332199217), (7, 94914062), (14, 47457031), (1663, 399518), (3326, 199759), (11641, 57074), (23282, 28537)]