4047589

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2341}}^1$

素因数の和:2380

約数の個数: 16

約数和(自身を含む): 5246080

約数和(自身を除く): 1198491

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 2341, 16387, 30433, 44479, 213031, 311353, 578227, 4047589]

約数ペア:

[(1, 4047589), (7, 578227), (13, 311353), (19, 213031), (91, 44479), (133, 30433), (247, 16387), (1729, 2341)]