68287681

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2179}}^1$

素因数の和:2245

約数の個数: 24

約数和(自身を含む): 88141760

約数和(自身を除く): 19854079

約数列:

[1, 7, 11, 37, 77, 121, 259, 407, 847, 2179, 2849, 4477, 15253, 23969, 31339, 80623, 167783, 263659, 564361, 886853, 1845613, 6207971, 9755383, 68287681]

約数ペア:

[(1, 68287681), (7, 9755383), (11, 6207971), (37, 1845613), (77, 886853), (121, 564361), (259, 263659), (407, 167783), (847, 80623), (2179, 31339), (2849, 23969), (4477, 15253)]