9978899

素因数分解:

$7^3\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:687

約数の個数: 16

約数和(自身を含む): 11904000

約数和(自身を除く): 1925101

約数列:

[1, 7, 47, 49, 329, 343, 619, 2303, 4333, 16121, 29093, 30331, 203651, 212317, 1425557, 9978899]

約数ペア:

[(1, 9978899), (7, 1425557), (47, 212317), (49, 203651), (329, 30331), (343, 29093), (619, 16121), (2303, 4333)]