638564749

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{5623}}^1$

素因数の和:5824

約数の個数: 16

約数和(自身を含む): 692876800

約数和(自身を除く): 54312051

約数列:

[1, 19, 43, 139, 817, 2641, 5623, 5977, 106837, 113563, 241789, 781597, 4593991, 14850343, 33608671, 638564749]

約数ペア:

[(1, 638564749), (19, 33608671), (43, 14850343), (139, 4593991), (817, 781597), (2641, 241789), (5623, 113563), (5977, 106837)]