397996970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{8707}}^1$

素因数の和:9374

約数の個数: 32

約数和(自身を含む): 820084608

約数和(自身を除く): 422087638

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 653, 1306, 3265, 4571, 6530, 8707, 9142, 17414, 22855, 43535, 45710, 60949, 87070, 121898, 304745, 609490, 5685671, 11371342, 28428355, 39799697, 56856710, 79599394, 198998485, 397996970]

約数ペア:

[(1, 397996970), (2, 198998485), (5, 79599394), (7, 56856710), (10, 39799697), (14, 28428355), (35, 11371342), (70, 5685671), (653, 609490), (1306, 304745), (3265, 121898), (4571, 87070), (6530, 60949), (8707, 45710), (9142, 43535), (17414, 22855)]