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ADDITION TO ‘AN UPPER BOUND FOR THE NUMBER OF ODD MULTIPERFECT NUMBERS’
Published online by Cambridge University Press: 07 June 2013
Abstract
The main result in the earlier paper (by the first author) is improved as follows. The number of odd multiperfect numbers with at most $r$ distinct prime factors is bounded by ${4}^{{r}^{2} } / {2}^{r+ 2} (r- 1)!$.
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- Copyright ©2013 Australian Mathematical Publishing Association Inc.
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