1639261631

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{571}}^1\times {\mathrm{1429}}^1$

素因数の和:2055

約数の個数: 24

約数和(自身を含む): 1958196240

約数和(自身を除く): 318934609

約数列:

[1, 7, 41, 49, 287, 571, 1429, 2009, 3997, 10003, 23411, 27979, 58589, 70021, 163877, 410123, 815959, 1147139, 2870861, 5711713, 33454319, 39981991, 234180233, 1639261631]

約数ペア:

[(1, 1639261631), (7, 234180233), (41, 39981991), (49, 33454319), (287, 5711713), (571, 2870861), (1429, 1147139), (2009, 815959), (3997, 410123), (10003, 163877), (23411, 70021), (27979, 58589)]