359163025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{85009}}^1$

素因数の和:85045

約数の個数: 18

約数和(自身を含む): 482261730

約数和(自身を除く): 123098705

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 85009, 425045, 1105117, 2125225, 5525585, 14366521, 27627925, 71832605, 359163025]

約数ペア:

[(1, 359163025), (5, 71832605), (13, 27627925), (25, 14366521), (65, 5525585), (169, 2125225), (325, 1105117), (845, 425045), (4225, 85009)]