81111206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 135475200

約数和(自身を除く): 54363994

約数列:

[1, 2, 11, 22, 97, 191, 194, 199, 382, 398, 1067, 2101, 2134, 2189, 4202, 4378, 18527, 19303, 37054, 38009, 38606, 76018, 203797, 212333, 407594, 418099, 424666, 836198, 3686873, 7373746, 40555603, 81111206]

約数ペア:

[(1, 81111206), (2, 40555603), (11, 7373746), (22, 3686873), (97, 836198), (191, 424666), (194, 418099), (199, 407594), (382, 212333), (398, 203797), (1067, 76018), (2101, 38606), (2134, 38009), (2189, 37054), (4202, 19303), (4378, 18527)]