On weird numbers with high abundancy index
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.
math.GM↗
arXiv subjects
Publications and source records attributed to Kei Hisamoto.
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.