17997707

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8599}}^1$

素因数の和:8642

約数の個数: 16

約数和(自身を含む): 23116800

約数和(自身を除く): 5119093

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 8599, 60193, 111787, 197777, 782509, 1384439, 2571101, 17997707]

約数ペア:

[(1, 17997707), (7, 2571101), (13, 1384439), (23, 782509), (91, 197777), (161, 111787), (299, 60193), (2093, 8599)]