2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/132002In this note, we present a few methods (Theorems 1, 2, and 3) from discrete dynamical systems theory of obtaining new functions Q(n) from the known ones so that the dividing formulas n|Q(n) hold.7 pagesNumber TheoryDynamical Systems11A25,(11A07,37E05)text