2640641838

素因数分解:

$2^1\times 3^1\times {\mathrm{20219}}^1\times {\mathrm{21767}}^1$

素因数の和:41991

約数の個数: 16

約数和(自身を含む): 5281787520

約数和(自身を除く): 2641145682

約数列:

[1, 2, 3, 6, 20219, 21767, 40438, 43534, 60657, 65301, 121314, 130602, 440106973, 880213946, 1320320919, 2640641838]

約数ペア:

[(1, 2640641838), (2, 1320320919), (3, 880213946), (6, 440106973), (20219, 130602), (21767, 121314), (40438, 65301), (43534, 60657)]