28320845

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{9749}}^1$

素因数の和:9844

約数の個数: 16

約数和(自身を含む): 39312000

約数和(自身を除く): 10991155

約数列:

[1, 5, 7, 35, 83, 415, 581, 2905, 9749, 48745, 68243, 341215, 809167, 4045835, 5664169, 28320845]

約数ペア:

[(1, 28320845), (5, 5664169), (7, 4045835), (35, 809167), (83, 341215), (415, 68243), (581, 48745), (2905, 9749)]