128324864

素因数分解:

$2^8\times {\mathrm{127}}^1\times {\mathrm{3947}}^1$

素因数の和:4090

約数の個数: 36

約数和(自身を含む): 258230784

約数和(自身を除く): 129905920

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 1016, 2032, 3947, 4064, 7894, 8128, 15788, 16256, 31576, 32512, 63152, 126304, 252608, 501269, 505216, 1002538, 1010432, 2005076, 4010152, 8020304, 16040608, 32081216, 64162432, 128324864]

約数ペア:

[(1, 128324864), (2, 64162432), (4, 32081216), (8, 16040608), (16, 8020304), (32, 4010152), (64, 2005076), (127, 1010432), (128, 1002538), (254, 505216), (256, 501269), (508, 252608), (1016, 126304), (2032, 63152), (3947, 32512), (4064, 31576), (7894, 16256), (8128, 15788)]