81849724

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{169111}}^1$

素因数の和:169137

約数の個数: 18

約数和(自身を含む): 157443272

約数和(自身を除く): 75593548

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 169111, 338222, 676444, 1860221, 3720442, 7440884, 20462431, 40924862, 81849724]

約数ペア:

[(1, 81849724), (2, 40924862), (4, 20462431), (11, 7440884), (22, 3720442), (44, 1860221), (121, 676444), (242, 338222), (484, 169111)]