6440004

素因数分解:

$2^2\times 3^2\times {\mathrm{178889}}^1$

素因数の和:178899

約数の個数: 18

約数和(自身を含む): 16278990

約数和(自身を除く): 9838986

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 178889, 357778, 536667, 715556, 1073334, 1610001, 2146668, 3220002, 6440004]

約数ペア:

[(1, 6440004), (2, 3220002), (3, 2146668), (4, 1610001), (6, 1073334), (9, 715556), (12, 536667), (18, 357778), (36, 178889)]