2781988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2749}}^1$

素因数の和:2787

約数の個数: 24

約数和(自身を含む): 5544000

約数和(自身を除く): 2762012

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 2749, 5498, 10996, 30239, 60478, 63227, 120956, 126454, 252908, 695497, 1390994, 2781988]

約数ペア:

[(1, 2781988), (2, 1390994), (4, 695497), (11, 252908), (22, 126454), (23, 120956), (44, 63227), (46, 60478), (92, 30239), (253, 10996), (506, 5498), (1012, 2749)]