@article{Hassani_2017, title={A remark on the number of distinct prime divisors of integers}, volume={48}, url={https://journals.math.tku.edu.tw/index.php/TKJM/article/view/1842}, DOI={10.5556/j.tkjm.48.2017.1842}, abstractNote={We study the asymptotic formula for the sum $\sum_{n\leqslant x}\o(n)$ where $\o(n)$ denotes the number of distinct prime divisors of $n$, and we perform some computations which detect curve patterns in the distribution of a related sequence.}, number={1}, journal={Tamkang Journal of Mathematics}, author={Hassani, Mehdi}, year={2017}, month={Mar.}, pages={13–15} }