214778905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{55001}}^1$

素因数の和:55088

約数の個数: 16

約数和(自身を含む): 285130368

約数和(自身を除く): 70351463

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 55001, 275005, 605011, 3025055, 3905071, 19525355, 42955781, 214778905]

約数ペア:

[(1, 214778905), (5, 42955781), (11, 19525355), (55, 3905071), (71, 3025055), (355, 605011), (781, 275005), (3905, 55001)]