290624257

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{21817}}^1$

素因数の和:22008

約数の個数: 16

約数和(自身を含む): 364447872

約数和(自身を除く): 73823615

約数列:

[1, 7, 11, 77, 173, 1211, 1903, 13321, 21817, 152719, 239987, 1679909, 3774341, 26420387, 41517751, 290624257]

約数ペア:

[(1, 290624257), (7, 41517751), (11, 26420387), (77, 3774341), (173, 1679909), (1211, 239987), (1903, 152719), (13321, 21817)]