28509866

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:579

約数の個数: 48

約数和(自身を含む): 55404000

約数和(自身を除く): 26894134

約数列:

[1, 2, 7, 11, 14, 22, 49, 53, 77, 98, 106, 154, 371, 499, 539, 583, 742, 998, 1078, 1166, 2597, 3493, 4081, 5194, 5489, 6986, 8162, 10978, 24451, 26447, 28567, 38423, 48902, 52894, 57134, 76846, 185129, 268961, 290917, 370258, 537922, 581834, 1295903, 2036419, 2591806, 4072838, 14254933, 28509866]

約数ペア:

[(1, 28509866), (2, 14254933), (7, 4072838), (11, 2591806), (14, 2036419), (22, 1295903), (49, 581834), (53, 537922), (77, 370258), (98, 290917), (106, 268961), (154, 185129), (371, 76846), (499, 57134), (539, 52894), (583, 48902), (742, 38423), (998, 28567), (1078, 26447), (1166, 24451), (2597, 10978), (3493, 8162), (4081, 6986), (5194, 5489)]