28856261

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:824

約数の個数: 16

約数和(自身を含む): 33976320

約数和(自身を除く): 5120059

約数列:

[1, 7, 47, 139, 329, 631, 973, 4417, 6533, 29657, 45731, 87709, 207599, 613963, 4122323, 28856261]

約数ペア:

[(1, 28856261), (7, 4122323), (47, 613963), (139, 207599), (329, 87709), (631, 45731), (973, 29657), (4417, 6533)]