85781264

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{17239}}^1$

素因数の和:17558

約数の個数: 20

約数和(自身を含む): 166745280

約数和(自身を除く): 80964016

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 4976, 17239, 34478, 68956, 137912, 275824, 5361329, 10722658, 21445316, 42890632, 85781264]

約数ペア:

[(1, 85781264), (2, 42890632), (4, 21445316), (8, 10722658), (16, 5361329), (311, 275824), (622, 137912), (1244, 68956), (2488, 34478), (4976, 17239)]