396976

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:628

約数の個数: 20

約数和(自身を含む): 788392

約数和(自身を除く): 391416

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 577, 688, 1154, 2308, 4616, 9232, 24811, 49622, 99244, 198488, 396976]

約数ペア:

[(1, 396976), (2, 198488), (4, 99244), (8, 49622), (16, 24811), (43, 9232), (86, 4616), (172, 2308), (344, 1154), (577, 688)]