81151868

素因数分解:

$2^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{15017}}^1$

素因数の和:15221

約数の個数: 24

約数和(自身を含む): 163155552

約数和(自身を除く): 82003684

約数列:

[1, 2, 4, 7, 14, 28, 193, 386, 772, 1351, 2702, 5404, 15017, 30034, 60068, 105119, 210238, 420476, 2898281, 5796562, 11593124, 20287967, 40575934, 81151868]

約数ペア:

[(1, 81151868), (2, 40575934), (4, 20287967), (7, 11593124), (14, 5796562), (28, 2898281), (193, 420476), (386, 210238), (772, 105119), (1351, 60068), (2702, 30034), (5404, 15017)]