28237552

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 65567232

約数和(自身を除く): 37329680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 67, 71, 106, 112, 134, 142, 212, 268, 284, 371, 424, 469, 497, 536, 568, 742, 848, 938, 994, 1072, 1136, 1484, 1876, 1988, 2968, 3551, 3752, 3763, 3976, 4757, 5936, 7102, 7504, 7526, 7952, 9514, 14204, 15052, 19028, 24857, 26341, 28408, 30104, 33299, 38056, 49714, 52682, 56816, 60208, 66598, 76112, 99428, 105364, 133196, 198856, 210728, 252121, 266392, 397712, 421456, 504242, 532784, 1008484, 1764847, 2016968, 3529694, 4033936, 7059388, 14118776, 28237552]

約数ペア:

[(1, 28237552), (2, 14118776), (4, 7059388), (7, 4033936), (8, 3529694), (14, 2016968), (16, 1764847), (28, 1008484), (53, 532784), (56, 504242), (67, 421456), (71, 397712), (106, 266392), (112, 252121), (134, 210728), (142, 198856), (212, 133196), (268, 105364), (284, 99428), (371, 76112), (424, 66598), (469, 60208), (497, 56816), (536, 52682), (568, 49714), (742, 38056), (848, 33299), (938, 30104), (994, 28408), (1072, 26341), (1136, 24857), (1484, 19028), (1876, 15052), (1988, 14204), (2968, 9514), (3551, 7952), (3752, 7526), (3763, 7504), (3976, 7102), (4757, 5936)]