128484976

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{40763}}^1$

素因数の和:40968

約数の個数: 20

約数和(自身を含む): 250209432

約数和(自身を除く): 121724456

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 40763, 81526, 163052, 326104, 652208, 8030311, 16060622, 32121244, 64242488, 128484976]

約数ペア:

[(1, 128484976), (2, 64242488), (4, 32121244), (8, 16060622), (16, 8030311), (197, 652208), (394, 326104), (788, 163052), (1576, 81526), (3152, 40763)]