248736191

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 287790720

約数和(自身を除く): 39054529

約数列:

[1, 11, 23, 121, 139, 253, 643, 1529, 2783, 3197, 7073, 14789, 16819, 35167, 77803, 89377, 162679, 386837, 983147, 1789469, 2055671, 10814617, 22612381, 248736191]

約数ペア:

[(1, 248736191), (11, 22612381), (23, 10814617), (121, 2055671), (139, 1789469), (253, 983147), (643, 386837), (1529, 162679), (2783, 89377), (3197, 77803), (7073, 35167), (14789, 16819)]