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A059113 Sum of divisors of two distinct coprime squares. 0
31, 187131, 347529, 658749, 2106853, 3969147, 4657471, 4980801, 6540807, 10185273, 20421219, 25690413, 42827421, 44136183, 51598911, 73854183, 202765017, 299457613, 307464339, 308953281, 314858271, 504081669, 516979281 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

31 = sigma(4^2) = sigma(5^2); 187131 = sigma(326^2) = sigma(407^2); etc.

CROSSREFS

Sequence in context: A188956 A117579 A107122 * A057839 A123524 A123523

Adjacent sequences:  A059110 A059111 A059112 * A059114 A059115 A059116

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net), Jan 04 2001

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Last modified February 17 23:58 EST 2012. Contains 206085 sequences.