67404205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 91881216

約数和(自身を除く): 24477011

約数列:

[1, 5, 11, 41, 55, 71, 205, 355, 421, 451, 781, 2105, 2255, 2911, 3905, 4631, 14555, 17261, 23155, 29891, 32021, 86305, 149455, 160105, 189871, 328801, 949355, 1225531, 1644005, 6127655, 13480841, 67404205]

約数ペア:

[(1, 67404205), (5, 13480841), (11, 6127655), (41, 1644005), (55, 1225531), (71, 949355), (205, 328801), (355, 189871), (421, 160105), (451, 149455), (781, 86305), (2105, 32021), (2255, 29891), (2911, 23155), (3905, 17261), (4631, 14555)]