22988225

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{5441}}^1$

素因数の和:5477

約数の個数: 18

約数和(自身を含む): 30872466

約数和(自身を除く): 7884241

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 5441, 27205, 70733, 136025, 353665, 919529, 1768325, 4597645, 22988225]

約数ペア:

[(1, 22988225), (5, 4597645), (13, 1768325), (25, 919529), (65, 353665), (169, 136025), (325, 70733), (845, 27205), (4225, 5441)]