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superabundant numbers
Numbers n that set a new record in the ratio σ(n)/n. more

The superabundant numbers up to 1015 :

Distribution of the remainders when the numbers in this family are divided by n=2, 3,..., 11. (I took into account 1000 values, from 1 to 8.74⋅10149).

n\r 0  1 
29991 2 
399721 3 
4997120 4 
59923212 5 
699711010 6 
7986322223 7 
89911106010 8 
998811410500 9 
10992120202010 10 
119783315230212

A pictorial representation of the table above
motab
Imagine to divide the members of this family by a number n and compute the remainders. Should they be uniformly distributed, each remainder from 0 to n-1 would be obtained in about (1/n)-th of the cases. This outcome is represented by a white square. Reddish (resp. bluish) squares represent remainders which appear more (resp. less) frequently than 1/n.