1120981589

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{648341}}^1$

素因数の和:648380

約数の個数: 16

約数和(自身を含む): 1452286080

約数和(自身を除く): 331304491

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 648341, 4538387, 8428433, 12318479, 58999031, 86229353, 160140227, 1120981589]

約数ペア:

[(1, 1120981589), (7, 160140227), (13, 86229353), (19, 58999031), (91, 12318479), (133, 8428433), (247, 4538387), (1729, 648341)]