9981200065

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{19380971}}^1$

素因数の和:19381079

約数の個数: 8

約数和(自身を含む): 12093726528

約数和(自身を除く): 2112526463

約数列:

[1, 5, 103, 515, 19380971, 96904855, 1996240013, 9981200065]

約数ペア:

[(1, 9981200065), (5, 1996240013), (103, 96904855), (515, 19380971)]