1258904521

素因数分解:

$7^2\times {\mathrm{2543}}^1\times {\mathrm{10103}}^1$

素因数の和:12660

約数の個数: 12

約数和(自身を含む): 1465160832

約数和(自身を除く): 206256311

約数列:

[1, 7, 49, 2543, 10103, 17801, 70721, 124607, 495047, 25691929, 179843503, 1258904521]

約数ペア:

[(1, 1258904521), (7, 179843503), (49, 25691929), (2543, 495047), (10103, 124607), (17801, 70721)]