51909767

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4289}}^1$

素因数の和:4335

約数の個数: 24

約数和(自身を含む): 68468400

約数和(自身を除く): 16558633

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 637, 931, 1729, 4289, 12103, 30023, 55757, 81491, 210161, 390299, 570437, 1059383, 2732093, 3993059, 7415681, 51909767]

約数ペア:

[(1, 51909767), (7, 7415681), (13, 3993059), (19, 2732093), (49, 1059383), (91, 570437), (133, 390299), (247, 210161), (637, 81491), (931, 55757), (1729, 30023), (4289, 12103)]