28821485

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{74861}}^1$

素因数の和:74884

約数の個数: 16

約数和(自身を含む): 43120512

約数和(自身を除く): 14299027

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 74861, 374305, 524027, 823471, 2620135, 4117355, 5764297, 28821485]

約数ペア:

[(1, 28821485), (5, 5764297), (7, 4117355), (11, 2620135), (35, 823471), (55, 524027), (77, 374305), (385, 74861)]