TOPICS
Algebra
Applied Mathematics
Calculus and Analysis
Discrete Mathematics
Foundations of Mathematics
Geometry
History and Terminology
Number Theory
Probability and Statistics
Recreational Mathematics
Topology
Alphabetical Index
New in MathWorld
Number Theory
Special Numbers
Divisor-Related Numbers
Amicable Numbers
See also
Aliquot Sequence
,
Amicable Pair
,
Amicable Quadruple
,
Amicable Triple
,
Multiamicable Numbers
,
Rational Amicable Pair