2783133890

素因数分解:

$2^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{421049}}^1$

素因数の和:421717

約数の個数: 16

約数和(自身を含む): 5017231800

約数和(自身を除く): 2234097910

約数列:

[1, 2, 5, 10, 661, 1322, 3305, 6610, 421049, 842098, 2105245, 4210490, 278313389, 556626778, 1391566945, 2783133890]

約数ペア:

[(1, 2783133890), (2, 1391566945), (5, 556626778), (10, 278313389), (661, 4210490), (1322, 2105245), (3305, 842098), (6610, 421049)]