205310405

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{463}}^1\times {\mathrm{677}}^1$

素因数の和:1276

約数の個数: 16

約数和(自身を含む): 249156864

約数和(自身を除く): 43846459

約数列:

[1, 5, 131, 463, 655, 677, 2315, 3385, 60653, 88687, 303265, 313451, 443435, 1567255, 41062081, 205310405]

約数ペア:

[(1, 205310405), (5, 41062081), (131, 1567255), (463, 443435), (655, 313451), (677, 303265), (2315, 88687), (3385, 60653)]