281547425

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{433}}^1\times {\mathrm{839}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 361643520

約数和(自身を除く): 80096095

約数列:

[1, 5, 25, 31, 155, 433, 775, 839, 2165, 4195, 10825, 13423, 20975, 26009, 67115, 130045, 335575, 363287, 650225, 1816435, 9082175, 11261897, 56309485, 281547425]

約数ペア:

[(1, 281547425), (5, 56309485), (25, 11261897), (31, 9082175), (155, 1816435), (433, 650225), (775, 363287), (839, 335575), (2165, 130045), (4195, 67115), (10825, 26009), (13423, 20975)]