Deficient perfect numbers with four distinct prime factors (Q4985561)
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scientific article; zbMATH DE number 7337319
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Deficient perfect numbers with four distinct prime factors |
scientific article; zbMATH DE number 7337319 |
Statements
Deficient perfect numbers with four distinct prime factors (English)
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23 April 2021
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almost perfect numbers
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deficient perfect numbers
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near perfect numbers
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divisor sum function
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