289265936

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{27943}}^1$

素因数の和:28598

約数の個数: 20

約数和(自身を含む): 561339072

約数和(自身を除く): 272073136

約数列:

[1, 2, 4, 8, 16, 647, 1294, 2588, 5176, 10352, 27943, 55886, 111772, 223544, 447088, 18079121, 36158242, 72316484, 144632968, 289265936]

約数ペア:

[(1, 289265936), (2, 144632968), (4, 72316484), (8, 36158242), (16, 18079121), (647, 447088), (1294, 223544), (2588, 111772), (5176, 55886), (10352, 27943)]