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參考資料

  1. 李學數說數學故事 / 李信明 / 九章出版社

  2. Mathematical Magic Show / Martin Gardner

  3. mathworld.wolfram.com/MersenneNumber.html

  4. www.math.swt.edu/~haz/prob_sets/notes/node13.html

  5. http://mathworld.wolfram.com/OddPerfectNumber.html

  6. public.logica.com/~stepneys/cyc/p/perfect.htm

  7. mathworld.wolfram.com/AmicablePair.html

  8. mathworld.wolfram.com/AbundantNumber.html

  9. mathworld.wolfram.com/DeficientNumber.html

 

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