256525248

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:231

約数の個数: 224

約数和(自身を含む): 823984128

約数和(自身を除く): 567458880

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 47, 48, 56, 62, 64, 84, 93, 94, 96, 112, 124, 131, 141, 168, 186, 188, 192, 217, 224, 248, 262, 282, 329, 336, 372, 376, 393, 434, 448, 496, 524, 564, 651, 658, 672, 744, 752, 786, 868, 917, 987, 992, 1048, 1128, 1302, 1316, 1344, 1457, 1488, 1504, 1572, 1736, 1834, 1974, 1984, 2096, 2256, 2604, 2632, 2751, 2914, 2976, 3008, 3144, 3472, 3668, 3948, 4061, 4192, 4371, 4512, 5208, 5264, 5502, 5828, 5952, 6157, 6288, 6944, 7336, 7896, 8122, 8384, 8742, 9024, 10199, 10416, 10528, 11004, 11656, 12183, 12314, 12576, 13888, 14672, 15792, 16244, 17484, 18471, 20398, 20832, 21056, 22008, 23312, 24366, 24628, 25152, 28427, 29344, 30597, 31584, 32488, 34968, 36942, 40796, 41664, 43099, 44016, 46624, 48732, 49256, 56854, 58688, 61194, 63168, 64976, 69936, 73884, 81592, 85281, 86198, 88032, 93248, 97464, 98512, 113708, 122388, 129297, 129952, 139872, 147768, 163184, 170562, 172396, 176064, 190867, 194928, 197024, 227416, 244776, 258594, 259904, 279744, 295536, 326368, 341124, 344792, 381734, 389856, 394048, 454832, 489552, 517188, 572601, 591072, 652736, 682248, 689584, 763468, 779712, 909664, 979104, 1034376, 1145202, 1182144, 1336069, 1364496, 1379168, 1526936, 1819328, 1958208, 2068752, 2290404, 2672138, 2728992, 2758336, 3053872, 4008207, 4137504, 4580808, 5344276, 5457984, 6107744, 8016414, 8275008, 9161616, 10688552, 12215488, 16032828, 18323232, 21377104, 32065656, 36646464, 42754208, 64131312, 85508416, 128262624, 256525248]

約数ペア:

[(1, 256525248), (2, 128262624), (3, 85508416), (4, 64131312), (6, 42754208), (7, 36646464), (8, 32065656), (12, 21377104), (14, 18323232), (16, 16032828), (21, 12215488), (24, 10688552), (28, 9161616), (31, 8275008), (32, 8016414), (42, 6107744), (47, 5457984), (48, 5344276), (56, 4580808), (62, 4137504), (64, 4008207), (84, 3053872), (93, 2758336), (94, 2728992), (96, 2672138), (112, 2290404), (124, 2068752), (131, 1958208), (141, 1819328), (168, 1526936), (186, 1379168), (188, 1364496), (192, 1336069), (217, 1182144), (224, 1145202), (248, 1034376), (262, 979104), (282, 909664), (329, 779712), (336, 763468), (372, 689584), (376, 682248), (393, 652736), (434, 591072), (448, 572601), (496, 517188), (524, 489552), (564, 454832), (651, 394048), (658, 389856), (672, 381734), (744, 344792), (752, 341124), (786, 326368), (868, 295536), (917, 279744), (987, 259904), (992, 258594), (1048, 244776), (1128, 227416), (1302, 197024), (1316, 194928), (1344, 190867), (1457, 176064), (1488, 172396), (1504, 170562), (1572, 163184), (1736, 147768), (1834, 139872), (1974, 129952), (1984, 129297), (2096, 122388), (2256, 113708), (2604, 98512), (2632, 97464), (2751, 93248), (2914, 88032), (2976, 86198), (3008, 85281), (3144, 81592), (3472, 73884), (3668, 69936), (3948, 64976), (4061, 63168), (4192, 61194), (4371, 58688), (4512, 56854), (5208, 49256), (5264, 48732), (5502, 46624), (5828, 44016), (5952, 43099), (6157, 41664), (6288, 40796), (6944, 36942), (7336, 34968), (7896, 32488), (8122, 31584), (8384, 30597), (8742, 29344), (9024, 28427), (10199, 25152), (10416, 24628), (10528, 24366), (11004, 23312), (11656, 22008), (12183, 21056), (12314, 20832), (12576, 20398), (13888, 18471), (14672, 17484), (15792, 16244)]