257999112

素因数分解:

$2^3\times 3^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:401

約数の個数: 192

約数和(自身を含む): 843648000

約数和(自身を除く): 585648888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 42, 49, 56, 62, 63, 72, 84, 93, 98, 124, 126, 147, 168, 186, 196, 217, 248, 252, 279, 294, 337, 343, 372, 392, 434, 441, 504, 558, 588, 651, 674, 686, 744, 868, 882, 1011, 1029, 1116, 1176, 1302, 1348, 1372, 1519, 1736, 1764, 1953, 2022, 2058, 2232, 2359, 2604, 2696, 2744, 3033, 3038, 3087, 3528, 3906, 4044, 4116, 4557, 4718, 5208, 6066, 6076, 6174, 7077, 7812, 8088, 8232, 9114, 9436, 10447, 10633, 12132, 12152, 12348, 13671, 14154, 15624, 16513, 18228, 18872, 20894, 21231, 21266, 24264, 24696, 27342, 28308, 31341, 31899, 33026, 36456, 41788, 42462, 42532, 49539, 54684, 56616, 62682, 63798, 66052, 73129, 83576, 84924, 85064, 94023, 95697, 99078, 109368, 115591, 125364, 127596, 132104, 146258, 148617, 169848, 188046, 191394, 198156, 219387, 231182, 250728, 255192, 292516, 297234, 346773, 376092, 382788, 396312, 438774, 462364, 511903, 585032, 594468, 658161, 693546, 752184, 765576, 877548, 924728, 1023806, 1040319, 1188936, 1316322, 1387092, 1535709, 1755096, 2047612, 2080638, 2632644, 2774184, 3071418, 3583321, 4095224, 4161276, 4607127, 5265288, 6142836, 7166642, 8322552, 9214254, 10749963, 12285672, 14333284, 18428508, 21499926, 28666568, 32249889, 36857016, 42999852, 64499778, 85999704, 128999556, 257999112]

約数ペア:

[(1, 257999112), (2, 128999556), (3, 85999704), (4, 64499778), (6, 42999852), (7, 36857016), (8, 32249889), (9, 28666568), (12, 21499926), (14, 18428508), (18, 14333284), (21, 12285672), (24, 10749963), (28, 9214254), (31, 8322552), (36, 7166642), (42, 6142836), (49, 5265288), (56, 4607127), (62, 4161276), (63, 4095224), (72, 3583321), (84, 3071418), (93, 2774184), (98, 2632644), (124, 2080638), (126, 2047612), (147, 1755096), (168, 1535709), (186, 1387092), (196, 1316322), (217, 1188936), (248, 1040319), (252, 1023806), (279, 924728), (294, 877548), (337, 765576), (343, 752184), (372, 693546), (392, 658161), (434, 594468), (441, 585032), (504, 511903), (558, 462364), (588, 438774), (651, 396312), (674, 382788), (686, 376092), (744, 346773), (868, 297234), (882, 292516), (1011, 255192), (1029, 250728), (1116, 231182), (1176, 219387), (1302, 198156), (1348, 191394), (1372, 188046), (1519, 169848), (1736, 148617), (1764, 146258), (1953, 132104), (2022, 127596), (2058, 125364), (2232, 115591), (2359, 109368), (2604, 99078), (2696, 95697), (2744, 94023), (3033, 85064), (3038, 84924), (3087, 83576), (3528, 73129), (3906, 66052), (4044, 63798), (4116, 62682), (4557, 56616), (4718, 54684), (5208, 49539), (6066, 42532), (6076, 42462), (6174, 41788), (7077, 36456), (7812, 33026), (8088, 31899), (8232, 31341), (9114, 28308), (9436, 27342), (10447, 24696), (10633, 24264), (12132, 21266), (12152, 21231), (12348, 20894), (13671, 18872), (14154, 18228), (15624, 16513)]