2080881187

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{551519}}^1$

素因数の和:551551

約数の個数: 16

約数和(自身を含む): 2647296000

約数和(自身を除く): 566414813

約数列:

[1, 7, 11, 49, 77, 343, 539, 3773, 551519, 3860633, 6066709, 27024431, 42466963, 189171017, 297268741, 2080881187]

約数ペア:

[(1, 2080881187), (7, 297268741), (11, 189171017), (49, 42466963), (77, 27024431), (343, 6066709), (539, 3860633), (3773, 551519)]