2017956997

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{489439}}^1$

素因数の和:489496

約数の個数: 16

約数和(自身を含む): 2505932800

約数和(自身を除く): 487975803

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 489439, 3426073, 9299341, 15172609, 65095387, 106208263, 288279571, 2017956997]

約数ペア:

[(1, 2017956997), (7, 288279571), (19, 106208263), (31, 65095387), (133, 15172609), (217, 9299341), (589, 3426073), (4123, 489439)]