28207488

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 82620000

約数和(自身を除く): 54412512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 29, 32, 34, 48, 51, 58, 64, 68, 87, 96, 102, 116, 128, 136, 149, 174, 192, 204, 232, 272, 298, 348, 384, 408, 447, 464, 493, 544, 596, 696, 816, 894, 928, 986, 1088, 1192, 1392, 1479, 1632, 1788, 1856, 1972, 2176, 2384, 2533, 2784, 2958, 3264, 3576, 3712, 3944, 4321, 4768, 5066, 5568, 5916, 6528, 7152, 7599, 7888, 8642, 9536, 10132, 11136, 11832, 12963, 14304, 15198, 15776, 17284, 19072, 20264, 23664, 25926, 28608, 30396, 31552, 34568, 40528, 47328, 51852, 57216, 60792, 63104, 69136, 73457, 81056, 94656, 103704, 121584, 138272, 146914, 162112, 189312, 207408, 220371, 243168, 276544, 293828, 324224, 414816, 440742, 486336, 553088, 587656, 829632, 881484, 972672, 1175312, 1659264, 1762968, 2350624, 3525936, 4701248, 7051872, 9402496, 14103744, 28207488]

約数ペア:

[(1, 28207488), (2, 14103744), (3, 9402496), (4, 7051872), (6, 4701248), (8, 3525936), (12, 2350624), (16, 1762968), (17, 1659264), (24, 1175312), (29, 972672), (32, 881484), (34, 829632), (48, 587656), (51, 553088), (58, 486336), (64, 440742), (68, 414816), (87, 324224), (96, 293828), (102, 276544), (116, 243168), (128, 220371), (136, 207408), (149, 189312), (174, 162112), (192, 146914), (204, 138272), (232, 121584), (272, 103704), (298, 94656), (348, 81056), (384, 73457), (408, 69136), (447, 63104), (464, 60792), (493, 57216), (544, 51852), (596, 47328), (696, 40528), (816, 34568), (894, 31552), (928, 30396), (986, 28608), (1088, 25926), (1192, 23664), (1392, 20264), (1479, 19072), (1632, 17284), (1788, 15776), (1856, 15198), (1972, 14304), (2176, 12963), (2384, 11832), (2533, 11136), (2784, 10132), (2958, 9536), (3264, 8642), (3576, 7888), (3712, 7599), (3944, 7152), (4321, 6528), (4768, 5916), (5066, 5568)]