2009247961

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{3209}}^1\times {\mathrm{3889}}^1$

素因数の和:7128

約数の個数: 16

約数和(自身を含む): 2397484800

約数和(自身を除く): 388236839

約数列:

[1, 7, 23, 161, 3209, 3889, 22463, 27223, 73807, 89447, 516649, 626129, 12479801, 87358607, 287035423, 2009247961]

約数ペア:

[(1, 2009247961), (7, 287035423), (23, 87358607), (161, 12479801), (3209, 626129), (3889, 516649), (22463, 89447), (27223, 73807)]