12661985

素因数分解:

$5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3319}}^1$

素因数の和:3440

約数の個数: 16

約数和(自身を含む): 17529600

約数和(自身を除く): 4867615

約数列:

[1, 5, 7, 35, 109, 545, 763, 3319, 3815, 16595, 23233, 116165, 361771, 1808855, 2532397, 12661985]

約数ペア:

[(1, 12661985), (5, 2532397), (7, 1808855), (35, 361771), (109, 116165), (545, 23233), (763, 16595), (3319, 3815)]