165011984

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{239843}}^1$

素因数の和:239894

約数の個数: 20

約数和(自身を含む): 327147216

約数和(自身を除く): 162135232

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 239843, 479686, 959372, 1918744, 3837488, 10313249, 20626498, 41252996, 82505992, 165011984]

約数ペア:

[(1, 165011984), (2, 82505992), (4, 41252996), (8, 20626498), (16, 10313249), (43, 3837488), (86, 1918744), (172, 959372), (344, 479686), (688, 239843)]