157210925

素因数分解:

$5^2\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 198208296

約数和(自身を除く): 40997371

約数列:

[1, 5, 25, 137, 197, 233, 685, 985, 1165, 3425, 4925, 5825, 26989, 31921, 45901, 134945, 159605, 229505, 674725, 798025, 1147525, 6288437, 31442185, 157210925]

約数ペア:

[(1, 157210925), (5, 31442185), (25, 6288437), (137, 1147525), (197, 798025), (233, 674725), (685, 229505), (985, 159605), (1165, 134945), (3425, 45901), (4925, 31921), (5825, 26989)]