2646953981

素因数分解:

$7^3\times {\mathrm{383}}^1\times {\mathrm{20149}}^1$

素因数の和:20553

約数の個数: 16

約数和(自身を含む): 3095040000

約数和(自身を除く): 448086019

約数列:

[1, 7, 49, 343, 383, 2681, 18767, 20149, 131369, 141043, 987301, 6911107, 7717067, 54019469, 378136283, 2646953981]

約数ペア:

[(1, 2646953981), (7, 378136283), (49, 54019469), (343, 7717067), (383, 6911107), (2681, 987301), (18767, 141043), (20149, 131369)]