1288975025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{1567}}^1\times {\mathrm{2531}}^1$

素因数の和:4121

約数の個数: 24

約数和(自身を含む): 1723056384

約数和(自身を除く): 434081359

約数列:

[1, 5, 13, 25, 65, 325, 1567, 2531, 7835, 12655, 20371, 32903, 39175, 63275, 101855, 164515, 509275, 822575, 3966077, 19830385, 51559001, 99151925, 257795005, 1288975025]

約数ペア:

[(1, 1288975025), (5, 257795005), (13, 99151925), (25, 51559001), (65, 19830385), (325, 3966077), (1567, 822575), (2531, 509275), (7835, 164515), (12655, 101855), (20371, 63275), (32903, 39175)]