66517199

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 77280000

約数和(自身を除く): 10762801

約数列:

[1, 7, 137, 139, 499, 959, 973, 3493, 19043, 68363, 69361, 133301, 478541, 485527, 9502457, 66517199]

約数ペア:

[(1, 66517199), (7, 9502457), (137, 485527), (139, 478541), (499, 133301), (959, 69361), (973, 68363), (3493, 19043)]