2779985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2251}}^1$

素因数の和:2288

約数の個数: 16

約数和(自身を含む): 3783360

約数和(自身を除く): 1003375

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 2251, 11255, 29263, 42769, 146315, 213845, 555997, 2779985]

約数ペア:

[(1, 2779985), (5, 555997), (13, 213845), (19, 146315), (65, 42769), (95, 29263), (247, 11255), (1235, 2251)]