81493588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{9697}}^1$

素因数の和:9903

約数の個数: 24

約数和(自身を含む): 156409344

約数和(自身を除く): 74915756

約数列:

[1, 2, 4, 11, 22, 44, 191, 382, 764, 2101, 4202, 8404, 9697, 19394, 38788, 106667, 213334, 426668, 1852127, 3704254, 7408508, 20373397, 40746794, 81493588]

約数ペア:

[(1, 81493588), (2, 40746794), (4, 20373397), (11, 7408508), (22, 3704254), (44, 1852127), (191, 426668), (382, 213334), (764, 106667), (2101, 38788), (4202, 19394), (8404, 9697)]