divisor sum function (Q4047453)
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the arithmetic function mapping a positive integer to the sum of all its positive divisors (including itself)
- divisor sum
- sigma function
- σ(n)
- σ₁(n)
- divisor function
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | divisor sum function |
the arithmetic function mapping a positive integer to the sum of all its positive divisors (including itself) |
|
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Wikipedia(7 entries)
- dewiki Teilersumme
- enwiki Sum-of-divisors function
- frwiki Fonction somme des diviseurs
- huwiki Osztóösszeg-függvény
- nlwiki Sigmafunctie
- plwiki Funkcja σ
- svwiki Delarsumma