72172639

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{457}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 92101968

約数和(自身を除く): 19929329

約数列:

[1, 7, 11, 49, 77, 293, 457, 539, 2051, 3199, 3223, 5027, 14357, 22393, 22561, 35189, 133901, 157927, 246323, 937307, 1472911, 6561149, 10310377, 72172639]

約数ペア:

[(1, 72172639), (7, 10310377), (11, 6561149), (49, 1472911), (77, 937307), (293, 246323), (457, 157927), (539, 133901), (2051, 35189), (3199, 22561), (3223, 22393), (5027, 14357)]