63886225

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{15121}}^1$

素因数の和:15157

約数の個数: 18

約数和(自身を含む): 85787106

約数和(自身を除く): 21900881

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 15121, 75605, 196573, 378025, 982865, 2555449, 4914325, 12777245, 63886225]

約数ペア:

[(1, 63886225), (5, 12777245), (13, 4914325), (25, 2555449), (65, 982865), (169, 378025), (325, 196573), (845, 75605), (4225, 15121)]