257895456

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:643

約数の個数: 192

約数和(自身を含む): 850445568

約数和(自身を除く): 592550112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 53, 56, 78, 84, 91, 96, 104, 106, 112, 156, 159, 168, 182, 208, 212, 224, 273, 312, 318, 336, 364, 371, 416, 424, 546, 557, 624, 636, 672, 689, 728, 742, 848, 1092, 1113, 1114, 1248, 1272, 1378, 1456, 1484, 1671, 1696, 2067, 2184, 2226, 2228, 2544, 2756, 2912, 2968, 3342, 3899, 4134, 4368, 4452, 4456, 4823, 5088, 5512, 5936, 6684, 7241, 7798, 8268, 8736, 8904, 8912, 9646, 11024, 11697, 11872, 13368, 14469, 14482, 15596, 16536, 17808, 17824, 19292, 21723, 22048, 23394, 26736, 28938, 28964, 29521, 31192, 33072, 35616, 38584, 43446, 46788, 50687, 53472, 57876, 57928, 59042, 62384, 66144, 77168, 86892, 88563, 93576, 101374, 115752, 115856, 118084, 124768, 152061, 154336, 173784, 177126, 187152, 202748, 206647, 231504, 231712, 236168, 304122, 347568, 354252, 374304, 383773, 405496, 413294, 463008, 472336, 608244, 619941, 695136, 708504, 767546, 810992, 826588, 944672, 1151319, 1216488, 1239882, 1417008, 1535092, 1621984, 1653176, 2302638, 2432976, 2479764, 2686411, 2834016, 3070184, 3306352, 4605276, 4865952, 4959528, 5372822, 6140368, 6612704, 8059233, 9210552, 9919056, 10745644, 12280736, 16118466, 18421104, 19838112, 21491288, 32236932, 36842208, 42982576, 64473864, 85965152, 128947728, 257895456]

約数ペア:

[(1, 257895456), (2, 128947728), (3, 85965152), (4, 64473864), (6, 42982576), (7, 36842208), (8, 32236932), (12, 21491288), (13, 19838112), (14, 18421104), (16, 16118466), (21, 12280736), (24, 10745644), (26, 9919056), (28, 9210552), (32, 8059233), (39, 6612704), (42, 6140368), (48, 5372822), (52, 4959528), (53, 4865952), (56, 4605276), (78, 3306352), (84, 3070184), (91, 2834016), (96, 2686411), (104, 2479764), (106, 2432976), (112, 2302638), (156, 1653176), (159, 1621984), (168, 1535092), (182, 1417008), (208, 1239882), (212, 1216488), (224, 1151319), (273, 944672), (312, 826588), (318, 810992), (336, 767546), (364, 708504), (371, 695136), (416, 619941), (424, 608244), (546, 472336), (557, 463008), (624, 413294), (636, 405496), (672, 383773), (689, 374304), (728, 354252), (742, 347568), (848, 304122), (1092, 236168), (1113, 231712), (1114, 231504), (1248, 206647), (1272, 202748), (1378, 187152), (1456, 177126), (1484, 173784), (1671, 154336), (1696, 152061), (2067, 124768), (2184, 118084), (2226, 115856), (2228, 115752), (2544, 101374), (2756, 93576), (2912, 88563), (2968, 86892), (3342, 77168), (3899, 66144), (4134, 62384), (4368, 59042), (4452, 57928), (4456, 57876), (4823, 53472), (5088, 50687), (5512, 46788), (5936, 43446), (6684, 38584), (7241, 35616), (7798, 33072), (8268, 31192), (8736, 29521), (8904, 28964), (8912, 28938), (9646, 26736), (11024, 23394), (11697, 22048), (11872, 21723), (13368, 19292), (14469, 17824), (14482, 17808), (15596, 16536)]