81308216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{4643}}^1$

素因数の和:4859

約数の個数: 32

約数和(自身を含む): 167184000

約数和(自身を除く): 85875784

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 199, 398, 796, 1592, 2189, 4378, 4643, 8756, 9286, 17512, 18572, 37144, 51073, 102146, 204292, 408584, 923957, 1847914, 3695828, 7391656, 10163527, 20327054, 40654108, 81308216]

約数ペア:

[(1, 81308216), (2, 40654108), (4, 20327054), (8, 10163527), (11, 7391656), (22, 3695828), (44, 1847914), (88, 923957), (199, 408584), (398, 204292), (796, 102146), (1592, 51073), (2189, 37144), (4378, 18572), (4643, 17512), (8756, 9286)]