12620839

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2687}}^1$

素因数の和:2766

約数の個数: 16

約数和(自身を含む): 15998976

約数和(自身を除く): 3378137

約数列:

[1, 7, 11, 61, 77, 427, 671, 2687, 4697, 18809, 29557, 163907, 206899, 1147349, 1802977, 12620839]

約数ペア:

[(1, 12620839), (7, 1802977), (11, 1147349), (61, 206899), (77, 163907), (427, 29557), (671, 18809), (2687, 4697)]