87157268

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{180077}}^1$

素因数の和:180103

約数の個数: 18

約数和(自身を含む): 167652618

約数和(自身を除く): 80495350

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 180077, 360154, 720308, 1980847, 3961694, 7923388, 21789317, 43578634, 87157268]

約数ペア:

[(1, 87157268), (2, 43578634), (4, 21789317), (11, 7923388), (22, 3961694), (44, 1980847), (121, 720308), (242, 360154), (484, 180077)]