989387

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:242

約数の個数: 16

約数和(自身を含む): 1224960

約数和(自身を除く): 235573

約数列:

[1, 7, 19, 43, 133, 173, 301, 817, 1211, 3287, 5719, 7439, 23009, 52073, 141341, 989387]

約数ペア:

[(1, 989387), (7, 141341), (19, 52073), (43, 23009), (133, 7439), (173, 5719), (301, 3287), (817, 1211)]