636173671

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 772208640

約数和(自身を除く): 136034969

約数列:

[1, 7, 37, 41, 139, 259, 287, 431, 973, 1517, 3017, 5143, 5699, 10619, 15947, 17671, 36001, 39893, 59909, 111629, 123697, 210863, 419363, 653827, 1476041, 2216633, 2456269, 4576789, 15516431, 17193883, 90881953, 636173671]

約数ペア:

[(1, 636173671), (7, 90881953), (37, 17193883), (41, 15516431), (139, 4576789), (259, 2456269), (287, 2216633), (431, 1476041), (973, 653827), (1517, 419363), (3017, 210863), (5143, 123697), (5699, 111629), (10619, 59909), (15947, 39893), (17671, 36001)]