81720984

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{79187}}^1$

素因数の和:79239

約数の個数: 32

約数和(自身を含む): 209056320

約数和(自身を除く): 127335336

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 79187, 158374, 237561, 316748, 475122, 633496, 950244, 1900488, 3405041, 6810082, 10215123, 13620164, 20430246, 27240328, 40860492, 81720984]

約数ペア:

[(1, 81720984), (2, 40860492), (3, 27240328), (4, 20430246), (6, 13620164), (8, 10215123), (12, 6810082), (24, 3405041), (43, 1900488), (86, 950244), (129, 633496), (172, 475122), (258, 316748), (344, 237561), (516, 158374), (1032, 79187)]