388593985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{314651}}^1$

素因数の和:314688

約数の個数: 16

約数和(自身を含む): 528615360

約数和(自身を除く): 140021375

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 314651, 1573255, 4090463, 5978369, 20452315, 29891845, 77718797, 388593985]

約数ペア:

[(1, 388593985), (5, 77718797), (13, 29891845), (19, 20452315), (65, 5978369), (95, 4090463), (247, 1573255), (1235, 314651)]