261250175

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{337097}}^1$

素因数の和:337138

約数の個数: 12

約数和(自身を含む): 334401216

約数和(自身を除く): 73151041

約数列:

[1, 5, 25, 31, 155, 775, 337097, 1685485, 8427425, 10450007, 52250035, 261250175]

約数ペア:

[(1, 261250175), (5, 52250035), (25, 10450007), (31, 8427425), (155, 1685485), (775, 337097)]