28113787

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2647}}^1$

素因数の和:2722

約数の個数: 16

約数和(自身を含む): 32623360

約数和(自身を除く): 4509573

約数列:

[1, 13, 19, 43, 247, 559, 817, 2647, 10621, 34411, 50293, 113821, 653809, 1479673, 2162599, 28113787]

約数ペア:

[(1, 28113787), (13, 2162599), (19, 1479673), (43, 653809), (247, 113821), (559, 50293), (817, 34411), (2647, 10621)]