31489282

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{130121}}^1$

素因数の和:130145

約数の個数: 12

約数和(自身を含む): 51918678

約数和(自身を除く): 20429396

約数列:

[1, 2, 11, 22, 121, 242, 130121, 260242, 1431331, 2862662, 15744641, 31489282]

約数ペア:

[(1, 31489282), (2, 15744641), (11, 2862662), (22, 1431331), (121, 260242), (242, 130121)]