159720242

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{660001}}^1$

素因数の和:660025

約数の個数: 12

約数和(自身を含む): 263340798

約数和(自身を除く): 103620556

約数列:

[1, 2, 11, 22, 121, 242, 660001, 1320002, 7260011, 14520022, 79860121, 159720242]

約数ペア:

[(1, 159720242), (2, 79860121), (11, 14520022), (22, 7260011), (121, 1320002), (242, 660001)]