英语词汇“amicable numbers”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	amicable numbers
释义	amicable numbers plural noun Mathematics A pair of numbers, each of which is the sum of the factors of the other (e.g. 220 and 284).The Pythagoreans were also interested in what we now call amicable numbers - pairs in which each number is the sum of the proper divisors of the other.... One particular interest involved what we now call amicable numbers. Today, the tally of known amicable numbers has grown to about two and half million.
随便看	pterylosis PTFE ptg. PTH P.T.I. ptilinal ptilinum ptilolite ptilopaedic ptilopedic ptilosis ptisan ptish PTO ptochocracy ptochogony Ptolemaean Ptolemaian Ptolemaic Ptolemaic system Ptolemaic theory Ptolemaism Ptolemaist Ptolemean Ptolemy

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