128872724

素因数分解:

$2^2\times {\mathrm{181}}^1\times {\mathrm{178001}}^1$

素因数の和:178186

約数の個数: 12

約数和(自身を含む): 226774548

約数和(自身を除く): 97901824

約数列:

[1, 2, 4, 181, 362, 724, 178001, 356002, 712004, 32218181, 64436362, 128872724]

約数ペア:

[(1, 128872724), (2, 64436362), (4, 32218181), (181, 712004), (362, 356002), (724, 178001)]