509901145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{20063}}^1$

素因数の和:20121

約数の個数: 32

約数和(自身を含む): 728082432

約数和(自身を除く): 218181287

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 1105, 1495, 1955, 5083, 20063, 25415, 100315, 260819, 341071, 461449, 1304095, 1705355, 2307245, 4433923, 5998837, 7844633, 22169615, 29994185, 39223165, 101980229, 509901145]

約数ペア:

[(1, 509901145), (5, 101980229), (13, 39223165), (17, 29994185), (23, 22169615), (65, 7844633), (85, 5998837), (115, 4433923), (221, 2307245), (299, 1705355), (391, 1304095), (1105, 461449), (1495, 341071), (1955, 260819), (5083, 100315), (20063, 25415)]