Reference > Brewer’s Dictionary > Amicable Numbers.

 Amiable Numbers.Ami’cus cu’riæ (Latin, a friend to the court). 
CONTENTS · BIBLIOGRAPHIC RECORD
E. Cobham Brewer 1810–1897. Dictionary of Phrase and Fable. 1898.
 
Amicable Numbers.
 
Numbers which are mutually equal to the sum of all their aliquot parts: as 220, 284. The aliquot parts of 220 are 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, the sum of which is 284. Again, the aliquot parts of 284 are 1, 2, 4, 71, 142, the sum of which is 220.   1
 


 Amiable Numbers.Ami’cus cu’riæ (Latin, a friend to the court). 

 
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