68988829

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{39901}}^1$

素因数の和:39940

約数の個数: 16

約数和(自身を含む): 89380480

約数和(自身を除く): 20391651

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 39901, 279307, 518713, 758119, 3630991, 5306833, 9855547, 68988829]

約数ペア:

[(1, 68988829), (7, 9855547), (13, 5306833), (19, 3630991), (91, 758119), (133, 518713), (247, 279307), (1729, 39901)]