81403924

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{22193}}^1$

素因数の和:22335

約数の個数: 24

約数和(自身を含む): 164058048

約数和(自身を除く): 82654124

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 22193, 44386, 88772, 155351, 310702, 621404, 2907283, 5814566, 11629132, 20350981, 40701962, 81403924]

約数ペア:

[(1, 81403924), (2, 40701962), (4, 20350981), (7, 11629132), (14, 5814566), (28, 2907283), (131, 621404), (262, 310702), (524, 155351), (917, 88772), (1834, 44386), (3668, 22193)]