128027039

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{18493}}^1$

素因数の和:18566

約数の個数: 16

約数和(自身を含む): 156237312

約数和(自身を除く): 28210273

約数列:

[1, 7, 23, 43, 161, 301, 989, 6923, 18493, 129451, 425339, 795199, 2977373, 5566393, 18289577, 128027039]

約数ペア:

[(1, 128027039), (7, 18289577), (23, 5566393), (43, 2977373), (161, 795199), (301, 425339), (989, 129451), (6923, 18493)]