217840898

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{900169}}^1$

素因数の和:900193

約数の個数: 12

約数和(自身を含む): 359167830

約数和(自身を除く): 141326932

約数列:

[1, 2, 11, 22, 121, 242, 900169, 1800338, 9901859, 19803718, 108920449, 217840898]

約数ペア:

[(1, 217840898), (2, 108920449), (11, 19803718), (22, 9901859), (121, 1800338), (242, 900169)]