66816925

素因数分解:

$5^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2207}}^1$

素因数の和:2397

約数の個数: 24

約数和(自身を含む): 95279616

約数和(自身を除く): 28462691

約数列:

[1, 5, 7, 25, 35, 173, 175, 865, 1211, 2207, 4325, 6055, 11035, 15449, 30275, 55175, 77245, 381811, 386225, 1909055, 2672677, 9545275, 13363385, 66816925]

約数ペア:

[(1, 66816925), (5, 13363385), (7, 9545275), (25, 2672677), (35, 1909055), (173, 386225), (175, 381811), (865, 77245), (1211, 55175), (2207, 30275), (4325, 15449), (6055, 11035)]