390773551

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{68329}}^1$

素因数の和:68398

約数の個数: 16

約数和(自身を含む): 481043200

約数和(自身を除く): 90269649

約数列:

[1, 7, 19, 43, 133, 301, 817, 5719, 68329, 478303, 1298251, 2938147, 9087757, 20567029, 55824793, 390773551]

約数ペア:

[(1, 390773551), (7, 55824793), (19, 20567029), (43, 9087757), (133, 2938147), (301, 1298251), (817, 478303), (5719, 68329)]