81812656

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{222317}}^1$

素因数の和:222348

約数の個数: 20

約数和(自身を含む): 165404592

約数和(自身を除く): 83591936

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 222317, 444634, 889268, 1778536, 3557072, 5113291, 10226582, 20453164, 40906328, 81812656]

約数ペア:

[(1, 81812656), (2, 40906328), (4, 20453164), (8, 10226582), (16, 5113291), (23, 3557072), (46, 1778536), (92, 889268), (184, 444634), (368, 222317)]