68420990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{622009}}^1$

素因数の和:622027

約数の個数: 16

約数和(自身を含む): 134354160

約数和(自身を除く): 65933170

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 622009, 1244018, 3110045, 6220090, 6842099, 13684198, 34210495, 68420990]

約数ペア:

[(1, 68420990), (2, 34210495), (5, 13684198), (10, 6842099), (11, 6220090), (22, 3110045), (55, 1244018), (110, 622009)]