260996905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{129527}}^1$

素因数の和:129576

約数の個数: 16

約数和(自身を含む): 348171264

約数和(自身を除く): 87174359

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 129527, 647635, 1683851, 4015337, 8419255, 20076685, 52199381, 260996905]

約数ペア:

[(1, 260996905), (5, 52199381), (13, 20076685), (31, 8419255), (65, 4015337), (155, 1683851), (403, 647635), (2015, 129527)]