12780602009

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{5653}}^1\times {\mathrm{4549}}^1$

素因数の和:10280

約数の個数: 16

約数和(自身を含む): 14818003200

約数和(自身を除く): 2037401191

約数列:

[1, 7, 71, 497, 4549, 5653, 31843, 39571, 322979, 401363, 2260853, 2809541, 25715497, 180008479, 1825800287, 12780602009]

約数ペア:

[(1, 12780602009), (7, 1825800287), (71, 180008479), (497, 25715497), (4549, 2809541), (5653, 2260853), (31843, 401363), (39571, 322979)]