128590255

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{1433}}^1$

素因数の和:1706

約数の個数: 16

約数和(自身を含む): 156730464

約数和(自身を除く): 28140209

約数列:

[1, 5, 131, 137, 655, 685, 1433, 7165, 17947, 89735, 187723, 196321, 938615, 981605, 25718051, 128590255]

約数ペア:

[(1, 128590255), (5, 25718051), (131, 981605), (137, 938615), (655, 196321), (685, 187723), (1433, 89735), (7165, 17947)]