28840672

素因数分解:

$2^5\times 7^1\times {\mathrm{199}}^1\times {\mathrm{647}}^1$

素因数の和:863

約数の個数: 48

約数和(自身を含む): 65318400

約数和(自身を除く): 36477728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 199, 224, 398, 647, 796, 1294, 1393, 1592, 2588, 2786, 3184, 4529, 5176, 5572, 6368, 9058, 10352, 11144, 18116, 20704, 22288, 36232, 44576, 72464, 128753, 144928, 257506, 515012, 901271, 1030024, 1802542, 2060048, 3605084, 4120096, 7210168, 14420336, 28840672]

約数ペア:

[(1, 28840672), (2, 14420336), (4, 7210168), (7, 4120096), (8, 3605084), (14, 2060048), (16, 1802542), (28, 1030024), (32, 901271), (56, 515012), (112, 257506), (199, 144928), (224, 128753), (398, 72464), (647, 44576), (796, 36232), (1294, 22288), (1393, 20704), (1592, 18116), (2588, 11144), (2786, 10352), (3184, 9058), (4529, 6368), (5176, 5572)]