28161188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{640027}}^1$

素因数の和:640042

約数の個数: 12

約数和(自身を含む): 53762352

約数和(自身を除く): 25601164

約数列:

[1, 2, 4, 11, 22, 44, 640027, 1280054, 2560108, 7040297, 14080594, 28161188]

約数ペア:

[(1, 28161188), (2, 14080594), (4, 7040297), (11, 2560108), (22, 1280054), (44, 640027)]