28307552

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9721}}^1$

素因数の和:9751

約数の個数: 48

約数和(自身を含む): 68598432

約数和(自身を除く): 40290880

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 9721, 19442, 38884, 68047, 77768, 126373, 136094, 155536, 252746, 272188, 311072, 505492, 544376, 884611, 1010984, 1088752, 1769222, 2021968, 2177504, 3538444, 4043936, 7076888, 14153776, 28307552]

約数ペア:

[(1, 28307552), (2, 14153776), (4, 7076888), (7, 4043936), (8, 3538444), (13, 2177504), (14, 2021968), (16, 1769222), (26, 1088752), (28, 1010984), (32, 884611), (52, 544376), (56, 505492), (91, 311072), (104, 272188), (112, 252746), (182, 155536), (208, 136094), (224, 126373), (364, 77768), (416, 68047), (728, 38884), (1456, 19442), (2912, 9721)]