4770025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{1129}}^1$

素因数の和:1165

約数の個数: 18

約数和(自身を含む): 6410490

約数和(自身を除く): 1640465

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 1129, 4225, 5645, 14677, 28225, 73385, 190801, 366925, 954005, 4770025]

約数ペア:

[(1, 4770025), (5, 954005), (13, 366925), (25, 190801), (65, 73385), (169, 28225), (325, 14677), (845, 5645), (1129, 4225)]