81997638

素因数分解:

$2^1\times 3^1\times {\mathrm{311}}^1\times {\mathrm{43943}}^1$

素因数の和:44259

約数の個数: 16

約数和(自身を含む): 164526336

約数和(自身を除く): 82528698

約数列:

[1, 2, 3, 6, 311, 622, 933, 1866, 43943, 87886, 131829, 263658, 13666273, 27332546, 40998819, 81997638]

約数ペア:

[(1, 81997638), (2, 40998819), (3, 27332546), (6, 13666273), (311, 263658), (622, 131829), (933, 87886), (1866, 43943)]