49979643

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139999}}^1$

素因数の和:140026

約数の個数: 16

約数和(自身を含む): 80640000

約数和(自身を除く): 30660357

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 139999, 419997, 979993, 2379983, 2939979, 7139949, 16659881, 49979643]

約数ペア:

[(1, 49979643), (3, 16659881), (7, 7139949), (17, 2939979), (21, 2379983), (51, 979993), (119, 419997), (357, 139999)]