64631819

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{809}}^1$

素因数の和:1030

約数の個数: 16

約数和(自身を含む): 75349440

約数和(自身を除く): 10717621

約数列:

[1, 7, 101, 113, 707, 791, 809, 5663, 11413, 79891, 81709, 91417, 571963, 639919, 9233117, 64631819]

約数ペア:

[(1, 64631819), (7, 9233117), (101, 639919), (113, 571963), (707, 91417), (791, 81709), (809, 79891), (5663, 11413)]