71673217

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21647}}^1$

素因数の和:21708

約数の個数: 16

約数和(自身を含む): 91441152

約数和(自身を除く): 19767935

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 21647, 151529, 238117, 930821, 1666819, 6515747, 10239031, 71673217]

約数ペア:

[(1, 71673217), (7, 10239031), (11, 6515747), (43, 1666819), (77, 930821), (301, 238117), (473, 151529), (3311, 21647)]