5213999

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:422

約数の個数: 16

約数和(自身を含む): 6336000

約数和(自身を除く): 1122001

約数列:

[1, 7, 19, 133, 197, 199, 1379, 1393, 3743, 3781, 26201, 26467, 39203, 274421, 744857, 5213999]

約数ペア:

[(1, 5213999), (7, 744857), (19, 274421), (133, 39203), (197, 26467), (199, 26201), (1379, 3781), (1393, 3743)]