257501075

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{1033}}^1$

素因数の和:1128

約数の個数: 36

約数和(自身を含む): 351952920

約数和(自身を除く): 94451845

約数列:

[1, 5, 13, 25, 59, 65, 169, 295, 325, 767, 845, 1033, 1475, 3835, 4225, 5165, 9971, 13429, 19175, 25825, 49855, 60947, 67145, 174577, 249275, 304735, 335725, 792311, 872885, 1523675, 3961555, 4364425, 10300043, 19807775, 51500215, 257501075]

約数ペア:

[(1, 257501075), (5, 51500215), (13, 19807775), (25, 10300043), (59, 4364425), (65, 3961555), (169, 1523675), (295, 872885), (325, 792311), (767, 335725), (845, 304735), (1033, 249275), (1475, 174577), (3835, 67145), (4225, 60947), (5165, 49855), (9971, 25825), (13429, 19175)]