1121008

素因数分解:

$2^4\times 7^1\times {\mathrm{10009}}^1$

素因数の和:10024

約数の個数: 20

約数和(自身を含む): 2482480

約数和(自身を除く): 1361472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 10009, 20018, 40036, 70063, 80072, 140126, 160144, 280252, 560504, 1121008]

約数ペア:

[(1, 1121008), (2, 560504), (4, 280252), (7, 160144), (8, 140126), (14, 80072), (16, 70063), (28, 40036), (56, 20018), (112, 10009)]