7980520644

素因数分解:

$2^2\times 3^2\times {\mathrm{221681129}}^1$

素因数の和:221681139

約数の個数: 18

約数和(自身を含む): 20172982830

約数和(自身を除く): 12192462186

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 221681129, 443362258, 665043387, 886724516, 1330086774, 1995130161, 2660173548, 3990260322, 7980520644]

約数ペア:

[(1, 7980520644), (2, 3990260322), (3, 2660173548), (4, 1995130161), (6, 1330086774), (9, 886724516), (12, 665043387), (18, 443362258), (36, 221681129)]