28449988

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{6311}}^1$

素因数の和:6352

約数の個数: 36

約数和(自身を含む): 60443712

約数和(自身を除く): 31993724

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 6311, 12622, 25244, 44177, 88354, 145153, 176708, 290306, 309239, 580612, 618478, 1016071, 1236956, 2032142, 4064284, 7112497, 14224994, 28449988]

約数ペア:

[(1, 28449988), (2, 14224994), (4, 7112497), (7, 4064284), (14, 2032142), (23, 1236956), (28, 1016071), (46, 618478), (49, 580612), (92, 309239), (98, 290306), (161, 176708), (196, 145153), (322, 88354), (644, 44177), (1127, 25244), (2254, 12622), (4508, 6311)]