281426432

素因数分解:

$2^9\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:222

約数の個数: 160

約数和(自身を含む): 707097600

約数和(自身を除く): 425671168

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 32, 34, 56, 62, 64, 68, 112, 119, 124, 128, 136, 149, 217, 224, 238, 248, 256, 272, 298, 434, 448, 476, 496, 512, 527, 544, 596, 868, 896, 952, 992, 1043, 1054, 1088, 1192, 1736, 1792, 1904, 1984, 2086, 2108, 2176, 2384, 2533, 3472, 3584, 3689, 3808, 3968, 4172, 4216, 4352, 4619, 4768, 5066, 6944, 7378, 7616, 7936, 8344, 8432, 8704, 9238, 9536, 10132, 13888, 14756, 15232, 15872, 16688, 16864, 17731, 18476, 19072, 20264, 27776, 29512, 30464, 32333, 33376, 33728, 35462, 36952, 38144, 40528, 55552, 59024, 60928, 64666, 66752, 67456, 70924, 73904, 76288, 78523, 81056, 111104, 118048, 129332, 133504, 134912, 141848, 147808, 157046, 162112, 236096, 258664, 267008, 269824, 283696, 295616, 314092, 324224, 472192, 517328, 534016, 549661, 567392, 591232, 628184, 648448, 944384, 1034656, 1099322, 1134784, 1182464, 1256368, 1296896, 1888768, 2069312, 2198644, 2269568, 2364928, 2512736, 4138624, 4397288, 4539136, 5025472, 8277248, 8794576, 9078272, 10050944, 16554496, 17589152, 20101888, 35178304, 40203776, 70356608, 140713216, 281426432]

約数ペア:

[(1, 281426432), (2, 140713216), (4, 70356608), (7, 40203776), (8, 35178304), (14, 20101888), (16, 17589152), (17, 16554496), (28, 10050944), (31, 9078272), (32, 8794576), (34, 8277248), (56, 5025472), (62, 4539136), (64, 4397288), (68, 4138624), (112, 2512736), (119, 2364928), (124, 2269568), (128, 2198644), (136, 2069312), (149, 1888768), (217, 1296896), (224, 1256368), (238, 1182464), (248, 1134784), (256, 1099322), (272, 1034656), (298, 944384), (434, 648448), (448, 628184), (476, 591232), (496, 567392), (512, 549661), (527, 534016), (544, 517328), (596, 472192), (868, 324224), (896, 314092), (952, 295616), (992, 283696), (1043, 269824), (1054, 267008), (1088, 258664), (1192, 236096), (1736, 162112), (1792, 157046), (1904, 147808), (1984, 141848), (2086, 134912), (2108, 133504), (2176, 129332), (2384, 118048), (2533, 111104), (3472, 81056), (3584, 78523), (3689, 76288), (3808, 73904), (3968, 70924), (4172, 67456), (4216, 66752), (4352, 64666), (4619, 60928), (4768, 59024), (5066, 55552), (6944, 40528), (7378, 38144), (7616, 36952), (7936, 35462), (8344, 33728), (8432, 33376), (8704, 32333), (9238, 30464), (9536, 29512), (10132, 27776), (13888, 20264), (14756, 19072), (15232, 18476), (15872, 17731), (16688, 16864)]