28796292

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{499}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 83720000

約数和(自身を除く): 54923708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 229, 252, 458, 499, 687, 916, 998, 1374, 1497, 1603, 1996, 2061, 2748, 2994, 3206, 3493, 4122, 4491, 4809, 5988, 6412, 6986, 8244, 8982, 9618, 10479, 13972, 14427, 17964, 19236, 20958, 28854, 31437, 41916, 57708, 62874, 114271, 125748, 228542, 342813, 457084, 685626, 799897, 1028439, 1371252, 1599794, 2056878, 2399691, 3199588, 4113756, 4799382, 7199073, 9598764, 14398146, 28796292]

約数ペア:

[(1, 28796292), (2, 14398146), (3, 9598764), (4, 7199073), (6, 4799382), (7, 4113756), (9, 3199588), (12, 2399691), (14, 2056878), (18, 1599794), (21, 1371252), (28, 1028439), (36, 799897), (42, 685626), (63, 457084), (84, 342813), (126, 228542), (229, 125748), (252, 114271), (458, 62874), (499, 57708), (687, 41916), (916, 31437), (998, 28854), (1374, 20958), (1497, 19236), (1603, 17964), (1996, 14427), (2061, 13972), (2748, 10479), (2994, 9618), (3206, 8982), (3493, 8244), (4122, 6986), (4491, 6412), (4809, 5988)]