81333564

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{521369}}^1$

素因数の和:521389

約数の個数: 24

約数和(自身を含む): 204377040

約数和(自身を除く): 123043476

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 521369, 1042738, 1564107, 2085476, 3128214, 6256428, 6777797, 13555594, 20333391, 27111188, 40666782, 81333564]

約数ペア:

[(1, 81333564), (2, 40666782), (3, 27111188), (4, 20333391), (6, 13555594), (12, 6777797), (13, 6256428), (26, 3128214), (39, 2085476), (52, 1564107), (78, 1042738), (156, 521369)]