28111888

素因数分解:

$2^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1559}}^1$

素因数の和:1604

約数の個数: 60

約数和(自身を含む): 66156480

約数和(自身を除く): 38044592

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 49, 56, 92, 98, 112, 161, 184, 196, 322, 368, 392, 644, 784, 1127, 1288, 1559, 2254, 2576, 3118, 4508, 6236, 9016, 10913, 12472, 18032, 21826, 24944, 35857, 43652, 71714, 76391, 87304, 143428, 152782, 174608, 250999, 286856, 305564, 501998, 573712, 611128, 1003996, 1222256, 1756993, 2007992, 3513986, 4015984, 7027972, 14055944, 28111888]

約数ペア:

[(1, 28111888), (2, 14055944), (4, 7027972), (7, 4015984), (8, 3513986), (14, 2007992), (16, 1756993), (23, 1222256), (28, 1003996), (46, 611128), (49, 573712), (56, 501998), (92, 305564), (98, 286856), (112, 250999), (161, 174608), (184, 152782), (196, 143428), (322, 87304), (368, 76391), (392, 71714), (644, 43652), (784, 35857), (1127, 24944), (1288, 21826), (1559, 18032), (2254, 12472), (2576, 10913), (3118, 9016), (4508, 6236)]