139687681

素因数分解:

$7^2\times {\mathrm{127}}^1\times {\mathrm{22447}}^1$

素因数の和:22588

約数の個数: 12

約数和(自身を含む): 163780608

約数和(自身を除く): 24092927

約数列:

[1, 7, 49, 127, 889, 6223, 22447, 157129, 1099903, 2850769, 19955383, 139687681]

約数ペア:

[(1, 139687681), (7, 19955383), (49, 2850769), (127, 1099903), (889, 157129), (6223, 22447)]