2663423

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:334

約数の個数: 16

約数和(自身を含む): 3234816

約数和(自身を除く): 571393

約数列:

[1, 7, 23, 71, 161, 233, 497, 1631, 1633, 5359, 11431, 16543, 37513, 115801, 380489, 2663423]

約数ペア:

[(1, 2663423), (7, 380489), (23, 115801), (71, 37513), (161, 16543), (233, 11431), (497, 5359), (1631, 1633)]