2788890727

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{124777}}^1$

素因数の和:124918

約数の個数: 16

約数和(自身を含む): 3322089472

約数和(自身を除く): 533198745

約数列:

[1, 7, 31, 103, 217, 721, 3193, 22351, 124777, 873439, 3868087, 12852031, 27076609, 89964217, 398412961, 2788890727]

約数ペア:

[(1, 2788890727), (7, 398412961), (31, 89964217), (103, 27076609), (217, 12852031), (721, 3868087), (3193, 873439), (22351, 124777)]