256208495

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{2477}}^1$

素因数の和:2770

約数の個数: 16

約数和(自身を含む): 311871168

約数和(自身を除く): 55662673

約数列:

[1, 5, 137, 151, 685, 755, 2477, 12385, 20687, 103435, 339349, 374027, 1696745, 1870135, 51241699, 256208495]

約数ペア:

[(1, 256208495), (5, 51241699), (137, 1870135), (151, 1696745), (685, 374027), (755, 339349), (2477, 103435), (12385, 20687)]