2808029

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 3463680

約数和(自身を除く): 655651

約数列:

[1, 7, 19, 43, 133, 301, 491, 817, 3437, 5719, 9329, 21113, 65303, 147791, 401147, 2808029]

約数ペア:

[(1, 2808029), (7, 401147), (19, 147791), (43, 65303), (133, 21113), (301, 9329), (491, 5719), (817, 3437)]