231689855

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1\times {\mathrm{1471}}^1$

素因数の和:1619

約数の個数: 24

約数和(自身を含む): 298256640

約数和(自身を除く): 66566785

約数列:

[1, 5, 17, 85, 109, 289, 545, 1445, 1471, 1853, 7355, 9265, 25007, 31501, 125035, 157505, 160339, 425119, 801695, 2125595, 2725763, 13628815, 46337971, 231689855]

約数ペア:

[(1, 231689855), (5, 46337971), (17, 13628815), (85, 2725763), (109, 2125595), (289, 801695), (545, 425119), (1445, 160339), (1471, 157505), (1853, 125035), (7355, 31501), (9265, 25007)]