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2 and 3 power sum (Posted on 2024-07-22) Difficulty: 3 of 5
What is the sum of all the exact divisors of the number N=1988-1 that are of the form 2a*3b, where a and b are greater than zero?

No Solution Yet Submitted by Danish Ahmed Khan    
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  Subject Author Date
SolutionAnalytic SolutionBrian Smith2024-07-22 10:51:36
SolutionComputer solutionLarry2024-07-22 08:33:09
Puzzle ThoughtsK Sengupta2024-07-22 08:30:44
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