W. D. BanksJ. B. FriedlanderC. PomeranceI. E. Shparlinski
所有作者
W. D. BanksJ. B. FriedlanderC. PomeranceI. E. Shparlinski
文献摘要
We fix a gap in our proof of an upper bound for the number of positive
integers n≤x for which the Euler function φ(n) has all prime
factors at most y. While doing this we obtain a stronger, likely
best-possible result.