81027188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 161336448

約数和(自身を除く): 80309260

約数列:

[1, 2, 4, 11, 22, 37, 44, 71, 74, 142, 148, 284, 407, 701, 781, 814, 1402, 1562, 1628, 2627, 2804, 3124, 5254, 7711, 10508, 15422, 25937, 28897, 30844, 49771, 51874, 57794, 99542, 103748, 115588, 199084, 285307, 547481, 570614, 1094962, 1141228, 1841527, 2189924, 3683054, 7366108, 20256797, 40513594, 81027188]

約数ペア:

[(1, 81027188), (2, 40513594), (4, 20256797), (11, 7366108), (22, 3683054), (37, 2189924), (44, 1841527), (71, 1141228), (74, 1094962), (142, 570614), (148, 547481), (284, 285307), (407, 199084), (701, 115588), (781, 103748), (814, 99542), (1402, 57794), (1562, 51874), (1628, 49771), (2627, 30844), (2804, 28897), (3124, 25937), (5254, 15422), (7711, 10508)]