28090866

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 61710336

約数和(自身を除く): 33619470

約数列:

[1, 2, 3, 6, 23, 46, 47, 61, 69, 71, 94, 122, 138, 141, 142, 183, 213, 282, 366, 426, 1081, 1403, 1633, 2162, 2806, 2867, 3243, 3266, 3337, 4209, 4331, 4899, 5734, 6486, 6674, 8418, 8601, 8662, 9798, 10011, 12993, 17202, 20022, 25986, 65941, 76751, 99613, 131882, 153502, 197823, 199226, 203557, 230253, 298839, 395646, 407114, 460506, 597678, 610671, 1221342, 4681811, 9363622, 14045433, 28090866]

約数ペア:

[(1, 28090866), (2, 14045433), (3, 9363622), (6, 4681811), (23, 1221342), (46, 610671), (47, 597678), (61, 460506), (69, 407114), (71, 395646), (94, 298839), (122, 230253), (138, 203557), (141, 199226), (142, 197823), (183, 153502), (213, 131882), (282, 99613), (366, 76751), (426, 65941), (1081, 25986), (1403, 20022), (1633, 17202), (2162, 12993), (2806, 10011), (2867, 9798), (3243, 8662), (3266, 8601), (3337, 8418), (4209, 6674), (4331, 6486), (4899, 5734)]