81318524

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{126271}}^1$

素因数の和:126305

約数の個数: 24

約数和(自身を含む): 169709568

約数和(自身を除く): 88391044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 126271, 252542, 505084, 883897, 1767794, 2904233, 3535588, 5808466, 11616932, 20329631, 40659262, 81318524]

約数ペア:

[(1, 81318524), (2, 40659262), (4, 20329631), (7, 11616932), (14, 5808466), (23, 3535588), (28, 2904233), (46, 1767794), (92, 883897), (161, 505084), (322, 252542), (644, 126271)]