68120689

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 85380480

約数和(自身を除く): 17259791

約数列:

[1, 7, 13, 89, 91, 169, 623, 647, 1157, 1183, 4529, 8099, 8411, 15041, 57583, 58877, 105287, 109343, 403081, 748579, 765401, 5240053, 9731527, 68120689]

約数ペア:

[(1, 68120689), (7, 9731527), (13, 5240053), (89, 765401), (91, 748579), (169, 403081), (623, 109343), (647, 105287), (1157, 58877), (1183, 57583), (4529, 15041), (8099, 8411)]