Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:logic
|
| gptkbp:concerns |
pairs of numbers whose proper divisors sum to each other
|
| gptkbp:field |
number theory
|
| gptkbp:historically_studied_by |
gptkb:René_Descartes
gptkb:Pierre_de_Fermat gptkb:Thābit_ibn_Qurra |
| gptkbp:relatedTo |
gptkb:sociable_numbers
perfect numbers divisor function |
| gptkbp:studies |
amicable numbers
|
| gptkbp:bfsParent |
gptkb:Thābit_ibn_Qurra
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
theory of amicable numbers
|