Given a number, there is an algorithm described here to find it's sum and number of factors.

Given a number, there is an algorithm described here to find it's sum and number of factors. For example, let us take the number 1225?

Quiz

Answer/Solution

1767

Steps/Work

Solving for 1225=52×72
Sum of divisors = (ap+1–1)/(a–1)×(bq+1–1)/(b–1)
Here a=5, b=7 prime factors
p=2 and q=2
Sum of divisors = (53–1)/(5–1)×(73–1)/(7–1)
= (124/4)×(342/6)
= (31×57)
= 1767
Option A

General Calculator / Auto Solver

Given a number, there is an algorithm described here to find it's sum and number of factors. For example, let us take the number ?

Calculated Answer

1767

Step by Step Solution

In order to solve problem, you must evaluate (3 + 4 + 1 + (n0 / (2 + 3)) / (2 + 3)) * (2 + 3 + 1 + 2 + 3^2).

n0 =1225