89121265

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{1321}}^1$

素因数の和:1560

約数の個数: 16

約数和(自身を含む): 108890496

約数和(自身を除く): 19769231

約数列:

[1, 5, 103, 131, 515, 655, 1321, 6605, 13493, 67465, 136063, 173051, 680315, 865255, 17824253, 89121265]

約数ペア:

[(1, 89121265), (5, 17824253), (103, 865255), (131, 680315), (515, 173051), (655, 136063), (1321, 67465), (6605, 13493)]