257020145

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1\times {\mathrm{1481}}^1$

素因数の和:2116

約数の個数: 16

約数和(自身を含む): 314243280

約数和(自身を除く): 57223135

約数列:

[1, 5, 61, 305, 569, 1481, 2845, 7405, 34709, 90341, 173545, 451705, 842689, 4213445, 51404029, 257020145]

約数ペア:

[(1, 257020145), (5, 51404029), (61, 4213445), (305, 842689), (569, 451705), (1481, 173545), (2845, 90341), (7405, 34709)]