81272656

素因数分解:

$2^4\times {\mathrm{691}}^1\times {\mathrm{7351}}^1$

素因数の和:8050

約数の個数: 20

約数和(自身を含む): 157715104

約数和(自身を除く): 76442448

約数列:

[1, 2, 4, 8, 16, 691, 1382, 2764, 5528, 7351, 11056, 14702, 29404, 58808, 117616, 5079541, 10159082, 20318164, 40636328, 81272656]

約数ペア:

[(1, 81272656), (2, 40636328), (4, 20318164), (8, 10159082), (16, 5079541), (691, 117616), (1382, 58808), (2764, 29404), (5528, 14702), (7351, 11056)]