28347739

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{701}}^1$

素因数の和:870

約数の個数: 16

約数和(自身を含む): 33359040

約数和(自身を除く): 5011301

約数列:

[1, 7, 53, 109, 371, 701, 763, 4907, 5777, 37153, 40439, 76409, 260071, 534863, 4049677, 28347739]

約数ペア:

[(1, 28347739), (7, 4049677), (53, 534863), (109, 260071), (371, 76409), (701, 40439), (763, 37153), (4907, 5777)]