28143318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 67184640

約数和(自身を除く): 39041322

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 53, 94, 106, 141, 159, 269, 282, 318, 329, 371, 538, 658, 742, 807, 987, 1113, 1614, 1883, 1974, 2226, 2491, 3766, 4982, 5649, 7473, 11298, 12643, 14257, 14946, 17437, 25286, 28514, 34874, 37929, 42771, 52311, 75858, 85542, 88501, 99799, 104622, 177002, 199598, 265503, 299397, 531006, 598794, 670079, 1340158, 2010237, 4020474, 4690553, 9381106, 14071659, 28143318]

約数ペア:

[(1, 28143318), (2, 14071659), (3, 9381106), (6, 4690553), (7, 4020474), (14, 2010237), (21, 1340158), (42, 670079), (47, 598794), (53, 531006), (94, 299397), (106, 265503), (141, 199598), (159, 177002), (269, 104622), (282, 99799), (318, 88501), (329, 85542), (371, 75858), (538, 52311), (658, 42771), (742, 37929), (807, 34874), (987, 28514), (1113, 25286), (1614, 17437), (1883, 14946), (1974, 14257), (2226, 12643), (2491, 11298), (3766, 7473), (4982, 5649)]