129421168

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{41911}}^1$

素因数の和:42112

約数の個数: 20

約数和(自身を含む): 252058768

約数和(自身を除く): 122637600

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 41911, 83822, 167644, 335288, 670576, 8088823, 16177646, 32355292, 64710584, 129421168]

約数ペア:

[(1, 129421168), (2, 64710584), (4, 32355292), (8, 16177646), (16, 8088823), (193, 670576), (386, 335288), (772, 167644), (1544, 83822), (3088, 41911)]