81581936

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{47653}}^1$

素因数の和:47768

約数の個数: 20

約数和(自身を含む): 159545592

約数和(自身を除く): 77963656

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 47653, 95306, 190612, 381224, 762448, 5098871, 10197742, 20395484, 40790968, 81581936]

約数ペア:

[(1, 81581936), (2, 40790968), (4, 20395484), (8, 10197742), (16, 5098871), (107, 762448), (214, 381224), (428, 190612), (856, 95306), (1712, 47653)]