81289952

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{59077}}^1$

素因数の和:59130

約数の個数: 24

約数和(自身を含む): 163764216

約数和(自身を除く): 82474264

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 59077, 118154, 236308, 472616, 945232, 1890464, 2540311, 5080622, 10161244, 20322488, 40644976, 81289952]

約数ペア:

[(1, 81289952), (2, 40644976), (4, 20322488), (8, 10161244), (16, 5080622), (32, 2540311), (43, 1890464), (86, 945232), (172, 472616), (344, 236308), (688, 118154), (1376, 59077)]