128980481

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{1753}}^1$

素因数の和:2240

約数の個数: 16

約数和(自身を含む): 154239744

約数和(自身を除く): 25259263

約数列:

[1, 7, 23, 161, 457, 1753, 3199, 10511, 12271, 40319, 73577, 282233, 801121, 5607847, 18425783, 128980481]

約数ペア:

[(1, 128980481), (7, 18425783), (23, 5607847), (161, 801121), (457, 282233), (1753, 73577), (3199, 40319), (10511, 12271)]