851107025

素因数分解:

$5^2\times {\mathrm{103}}^2\times {\mathrm{3209}}^1$

素因数の和:3425

約数の個数: 18

約数和(自身を含む): 1066050630

約数和(自身を除く): 214943605

約数列:

[1, 5, 25, 103, 515, 2575, 3209, 10609, 16045, 53045, 80225, 265225, 330527, 1652635, 8263175, 34044281, 170221405, 851107025]

約数ペア:

[(1, 851107025), (5, 170221405), (25, 34044281), (103, 8263175), (515, 1652635), (2575, 330527), (3209, 265225), (10609, 80225), (16045, 53045)]