A192277 Impossible values for both sum of proper divisors of k and sum of anti-divisors of k.

120, 146, 206, 246, 268, 288, 290, 326, 342, 430, 448, 472, 530, 626, 658, 718, 726, 766, 804, 818, 836, 926, 982, 996, 1002, 1028, 1200, 1212, 1246, 1256, 1312, 1332, 1360, 1438, 1506, 1508, 1538, 1542, 1692, 1718, 1728, 1746, 1806, 1840, 2078, 2148, 2388

Offset: 1

Author

Paolo P. Lava, Jul 06 2011

Keywords

• nonn

Links

• Amiram Eldar, Table of n, a(n) for n = 1..639

Crossrefs

Intersection of A005114 and A074898.

Cf. A001065, A066272, A066417, A078923.