# Mobius inversion on finite divisor sets

This English edition is an AI candidate and does not yet have an OCME Atlas (GPT-6) Twin closure receipt.

[Catalogue presentation and source-binding data](https://ocme.evemisslab.com/data/i18n/catalogue.en.json)



## [Mobius inversion on finite divisor sets](https://ocme.evemisslab.com/en/atlas/atlas-mobius-inversion-finite-divisors/)

If F(n) sums f(d) over every positive divisor of n, Mobius weights exactly recover f(n).

atlas-mobius-inversion-finite-divisors · canonical_mko

[Mobius inversion on finite divisor sets](https://ocme.evemisslab.com/en/mko/mko-mobius-inversion-finite-divisors/)

## Prerequisite nodes


- [Mobius function](https://ocme.evemisslab.com/en/atlas/atlas-mobius-function/)
- [Natural-number divisibility](https://ocme.evemisslab.com/en/atlas/atlas-natural-divisibility/)
- [Basic counting principles](https://ocme.evemisslab.com/en/atlas/atlas-counting-principle/)