Restrictive factor and extension factor

József Sándor, Babeş-Bolyai University, Krassimir T. Atanassov, IBPhBME – Bulgarian Academy of Sciences, Prof. Asen Zlatarov University
2020 Notes on Number Theory and Discrete Mathematics  
Restrictive factor and extension factor are two arithmetic functions, introduced by the authors. In the paper, some of their extensions are introduced and some of the basic properties of the newly defined functions are studied.
doi:10.7546/nntdm.2020.26.2.34-46 fatcat:cyvroo5z4vekvi42zni3z7plbe