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Numbers which are the sum of their proper divisors containing the digit 7.
8

%I #4 May 06 2016 10:25:37

%S 2274,3522,4434,4548,4734,5142,5274,7422,9468,10734,11142,11274,13422,

%T 14142,14166,14226,14262,14622,14844,14860,14922,16734,17142,17274,

%U 18940,21342,21426,21474,21540,22254,22314,22434,22614,22674,22758

%N Numbers which are the sum of their proper divisors containing the digit 7.

%Y Cf. A059461, A271448, A059462, A059463, A059464, A059465, A059467, A059468.

%K base,nonn

%O 1,1

%A _Erich Friedman_, Feb 03 2001