1639390081

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{243703}}^1$

素因数の和:243772

約数の個数: 12

約数和(自身を含む): 1935984576

約数和(自身を除く): 296594495

約数列:

[1, 7, 31, 217, 961, 6727, 243703, 1705921, 7554793, 52883551, 234198583, 1639390081]

約数ペア:

[(1, 1639390081), (7, 234198583), (31, 52883551), (217, 7554793), (961, 1705921), (6727, 243703)]