2247179990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20428909}}^1$

素因数の和:20428927

約数の個数: 16

約数和(自身を含む): 4412644560

約数和(自身を除く): 2165464570

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 20428909, 40857818, 102144545, 204289090, 224717999, 449435998, 1123589995, 2247179990]

約数ペア:

[(1, 2247179990), (2, 1123589995), (5, 449435998), (10, 224717999), (11, 204289090), (22, 102144545), (55, 40857818), (110, 20428909)]