66959971

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{647}}^1$

素因数の和:1098

約数の個数: 16

約数和(自身を含む): 76204800

約数和(自身を除く): 9244829

約数列:

[1, 13, 19, 247, 419, 647, 5447, 7961, 8411, 12293, 103493, 159809, 271093, 3524209, 5150767, 66959971]

約数ペア:

[(1, 66959971), (13, 5150767), (19, 3524209), (247, 271093), (419, 159809), (647, 103493), (5447, 12293), (7961, 8411)]