delarsumma
Sign in to saveAlso known as divisor sum, sigma function, divisor function
arithmetic function mapping a positive integer to the sum of all its positive divisors (including itself)
In the Vinony graph
Within Vinony's link graph, delarsumma connects to divisor function.
Its subject is documented across 7 Wikipedia language editions.
Wikidata facts
- Subclass of
- divisor function
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- Sigma function.svg
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Article · Svenska
Delarsumman (eller divisorsumman) för ett positivt heltal n, är summan av talets positiva delare och betecknas oftast σ(n).
Abstract from DBpedia / Wikipedia · CC BY-SA