81481928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{881}}^1\times {\mathrm{1051}}^1$

素因数の和:1949

約数の個数: 32

約数和(自身を含む): 167015520

約数和(自身を除く): 85533592

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 881, 1051, 1762, 2102, 3524, 4204, 7048, 8408, 9691, 11561, 19382, 23122, 38764, 46244, 77528, 92488, 925931, 1851862, 3703724, 7407448, 10185241, 20370482, 40740964, 81481928]

約数ペア:

[(1, 81481928), (2, 40740964), (4, 20370482), (8, 10185241), (11, 7407448), (22, 3703724), (44, 1851862), (88, 925931), (881, 92488), (1051, 77528), (1762, 46244), (2102, 38764), (3524, 23122), (4204, 19382), (7048, 11561), (8408, 9691)]