140899031

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{1553}}^1$

素因数の和:2570

約数の個数: 16

約数和(自身を含む): 173699904

約数和(自身を除く): 32800873

約数列:

[1, 7, 13, 91, 997, 1553, 6979, 10871, 12961, 20189, 90727, 141323, 1548341, 10838387, 20128433, 140899031]

約数ペア:

[(1, 140899031), (7, 20128433), (13, 10838387), (91, 1548341), (997, 141323), (1553, 90727), (6979, 20189), (10871, 12961)]