28578144

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 91590912

約数和(自身を除く): 63012768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 43, 46, 48, 56, 69, 84, 86, 92, 96, 112, 129, 138, 161, 168, 172, 184, 224, 258, 276, 301, 322, 336, 344, 368, 483, 516, 552, 602, 644, 672, 688, 736, 903, 966, 989, 1032, 1104, 1204, 1288, 1376, 1806, 1849, 1932, 1978, 2064, 2208, 2408, 2576, 2967, 3612, 3698, 3864, 3956, 4128, 4816, 5152, 5547, 5934, 6923, 7224, 7396, 7728, 7912, 9632, 11094, 11868, 12943, 13846, 14448, 14792, 15456, 15824, 20769, 22188, 23736, 25886, 27692, 28896, 29584, 31648, 38829, 41538, 42527, 44376, 47472, 51772, 55384, 59168, 77658, 83076, 85054, 88752, 94944, 103544, 110768, 127581, 155316, 166152, 170108, 177504, 207088, 221536, 255162, 297689, 310632, 332304, 340216, 414176, 510324, 595378, 621264, 664608, 680432, 893067, 1020648, 1190756, 1242528, 1360864, 1786134, 2041296, 2381512, 3572268, 4082592, 4763024, 7144536, 9526048, 14289072, 28578144]

約数ペア:

[(1, 28578144), (2, 14289072), (3, 9526048), (4, 7144536), (6, 4763024), (7, 4082592), (8, 3572268), (12, 2381512), (14, 2041296), (16, 1786134), (21, 1360864), (23, 1242528), (24, 1190756), (28, 1020648), (32, 893067), (42, 680432), (43, 664608), (46, 621264), (48, 595378), (56, 510324), (69, 414176), (84, 340216), (86, 332304), (92, 310632), (96, 297689), (112, 255162), (129, 221536), (138, 207088), (161, 177504), (168, 170108), (172, 166152), (184, 155316), (224, 127581), (258, 110768), (276, 103544), (301, 94944), (322, 88752), (336, 85054), (344, 83076), (368, 77658), (483, 59168), (516, 55384), (552, 51772), (602, 47472), (644, 44376), (672, 42527), (688, 41538), (736, 38829), (903, 31648), (966, 29584), (989, 28896), (1032, 27692), (1104, 25886), (1204, 23736), (1288, 22188), (1376, 20769), (1806, 15824), (1849, 15456), (1932, 14792), (1978, 14448), (2064, 13846), (2208, 12943), (2408, 11868), (2576, 11094), (2967, 9632), (3612, 7912), (3698, 7728), (3864, 7396), (3956, 7224), (4128, 6923), (4816, 5934), (5152, 5547)]