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Date: 23-8-2020
700
Date: 17-3-2020
517
Date: 19-2-2020
1102
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Two integers and are -multiamicable if
and
where is the divisor function and are positive integers. If , is an amicable pair.
cannot have just one distinct prime factor, and if it has precisely two distinct prime factors, then and is even. Small multiamicable numbers for small are given by Cohen et al. (1995). Several of these numbers are reproduced in the table below.
1 | 6 | 76455288 | 183102192 |
1 | 7 | 52920 | 152280 |
1 | 7 | 16225560 | 40580280 |
1 | 7 | 90863136 | 227249568 |
1 | 7 | 16225560 | 40580280 |
1 | 7 | 70821324288 | 177124806144 |
1 | 7 | 199615613902848 | 499240550375424 |
REFERENCES:
Cohen, G. L; Gretton, S.; and Hagis, P. Jr. "Multiamicable Numbers." Math. Comput. 64, 1743-1753, 1995.ش
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5 علامات تحذيرية قد تدل على "مشكل خطير" في الكبد
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اللجنتان العلمية والتحضيرية تناقش ملخصات الأبحاث المقدمة لمؤتمر العميد العالمي السابع
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