How to Print All Perfect Numbers From 1 to N in C++
In this lesson, we write a C++ program that prints all perfect numbers from 1 up to the number entered by the user.
A perfect number is a number that is equal to the sum of its proper divisors except itself.
For example:
6 = 1 + 2 + 3
28 = 1 + 2 + 4 + 7 + 14
In this video, you will learn:
How to read a number from the user
How to check whether a number is perfect
How to print all perfect numbers from 1 to N
How to solve this problem step by step in C++
This lesson is great for C++ beginners who want to improve problem-solving skills, loop logic, and number-based programming practice.
This is Lesson 2 of Course 4: Problem Solving for Programmers using C++ (Part 2) – Beginner Track
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