On weird numbers with high abundancy index
General Mathematics
2026-07-28 v1
Abstract
Let n be a natural number. It is proved that if the sum of divisors of n has sufficiently large relative to n, then n is some distinct sum of proper divisors of n.
Cite
@article{arxiv.2607.25278,
title = {On weird numbers with high abundancy index},
author = {Kei Hisamoto},
journal= {arXiv preprint arXiv:2607.25278},
year = {2026}
}
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17pages