1639770041

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{419057}}^1$

素因数の和:419120

約数の個数: 16

約数和(自身を含む): 2065117824

約数和(自身を除く): 425347783

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 419057, 2933399, 5447741, 18019451, 38134187, 126136157, 234252863, 1639770041]

約数ペア:

[(1, 1639770041), (7, 234252863), (13, 126136157), (43, 38134187), (91, 18019451), (301, 5447741), (559, 2933399), (3913, 419057)]