1291225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 1796760

約数和(自身を除く): 505535

約数列:

[1, 5, 13, 25, 29, 65, 137, 145, 325, 377, 685, 725, 1781, 1885, 3425, 3973, 8905, 9425, 19865, 44525, 51649, 99325, 258245, 1291225]

約数ペア:

[(1, 1291225), (5, 258245), (13, 99325), (25, 51649), (29, 44525), (65, 19865), (137, 9425), (145, 8905), (325, 3973), (377, 3425), (685, 1885), (725, 1781)]