Aliquot sequence

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Notion

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Science and technology

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What Wikipedia says

In mathematics, an aliquot sequence is a sequence of positive integers in which each term is the sum of the proper divisors of the previous term. If the sequence reaches the number 1, it ends, since the sum of the proper divisors of 1 is 0.

Excerpt from the Wikipedia article “Aliquot sequence”, under the CC BY-SA 4.0 license. Read the article on Wikipedia