81444146

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^2\times {\mathrm{109}}^1$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 151166400

約数和(自身を除く): 69722254

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 109, 133, 218, 266, 371, 742, 763, 1007, 1526, 2014, 2071, 2809, 4142, 5618, 5777, 7049, 11554, 14098, 14497, 19663, 28994, 39326, 40439, 53371, 80878, 106742, 109763, 219526, 306181, 373597, 612362, 747194, 768341, 1536682, 2143267, 4286534, 5817439, 11634878, 40722073, 81444146]

約数ペア:

[(1, 81444146), (2, 40722073), (7, 11634878), (14, 5817439), (19, 4286534), (38, 2143267), (53, 1536682), (106, 768341), (109, 747194), (133, 612362), (218, 373597), (266, 306181), (371, 219526), (742, 109763), (763, 106742), (1007, 80878), (1526, 53371), (2014, 40439), (2071, 39326), (2809, 28994), (4142, 19663), (5618, 14497), (5777, 14098), (7049, 11554)]