12131965

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2693}}^1$

素因数の和:2768

約数の個数: 16

約数和(自身を含む): 15711408

約数和(自身を除く): 3579443

約数列:

[1, 5, 17, 53, 85, 265, 901, 2693, 4505, 13465, 45781, 142729, 228905, 713645, 2426393, 12131965]

約数ペア:

[(1, 12131965), (5, 2426393), (17, 713645), (53, 228905), (85, 142729), (265, 45781), (901, 13465), (2693, 4505)]