81392656

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{267739}}^1$

素因数の和:267766

約数の個数: 20

約数和(自身を含む): 165998800

約数和(自身を除く): 84606144

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 267739, 535478, 1070956, 2141912, 4283824, 5087041, 10174082, 20348164, 40696328, 81392656]

約数ペア:

[(1, 81392656), (2, 40696328), (4, 20348164), (8, 10174082), (16, 5087041), (19, 4283824), (38, 2141912), (76, 1070956), (152, 535478), (304, 267739)]