257131392

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{331}}^1$

素因数の和:389

約数の個数: 192

約数和(自身を含む): 831699840

約数和(自身を除く): 574568448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 64, 68, 84, 96, 102, 112, 119, 128, 136, 168, 192, 204, 224, 238, 272, 289, 331, 336, 357, 384, 408, 448, 476, 544, 578, 662, 672, 714, 816, 867, 896, 952, 993, 1088, 1156, 1324, 1344, 1428, 1632, 1734, 1904, 1986, 2023, 2176, 2312, 2317, 2648, 2688, 2856, 3264, 3468, 3808, 3972, 4046, 4624, 4634, 5296, 5627, 5712, 6069, 6528, 6936, 6951, 7616, 7944, 8092, 9248, 9268, 10592, 11254, 11424, 12138, 13872, 13902, 15232, 15888, 16184, 16881, 18496, 18536, 21184, 22508, 22848, 24276, 27744, 27804, 31776, 32368, 33762, 36992, 37072, 39389, 42368, 45016, 45696, 48552, 55488, 55608, 63552, 64736, 67524, 74144, 78778, 90032, 95659, 97104, 110976, 111216, 118167, 127104, 129472, 135048, 148288, 157556, 180064, 191318, 194208, 222432, 236334, 258944, 270096, 286977, 296576, 315112, 360128, 382636, 388416, 444864, 472668, 540192, 573954, 630224, 669613, 720256, 765272, 776832, 889728, 945336, 1080384, 1147908, 1260448, 1339226, 1530544, 1890672, 2008839, 2160768, 2295816, 2520896, 2678452, 3061088, 3781344, 4017678, 4591632, 5041792, 5356904, 6122176, 7562688, 8035356, 9183264, 10713808, 12244352, 15125376, 16070712, 18366528, 21427616, 32141424, 36733056, 42855232, 64282848, 85710464, 128565696, 257131392]

約数ペア:

[(1, 257131392), (2, 128565696), (3, 85710464), (4, 64282848), (6, 42855232), (7, 36733056), (8, 32141424), (12, 21427616), (14, 18366528), (16, 16070712), (17, 15125376), (21, 12244352), (24, 10713808), (28, 9183264), (32, 8035356), (34, 7562688), (42, 6122176), (48, 5356904), (51, 5041792), (56, 4591632), (64, 4017678), (68, 3781344), (84, 3061088), (96, 2678452), (102, 2520896), (112, 2295816), (119, 2160768), (128, 2008839), (136, 1890672), (168, 1530544), (192, 1339226), (204, 1260448), (224, 1147908), (238, 1080384), (272, 945336), (289, 889728), (331, 776832), (336, 765272), (357, 720256), (384, 669613), (408, 630224), (448, 573954), (476, 540192), (544, 472668), (578, 444864), (662, 388416), (672, 382636), (714, 360128), (816, 315112), (867, 296576), (896, 286977), (952, 270096), (993, 258944), (1088, 236334), (1156, 222432), (1324, 194208), (1344, 191318), (1428, 180064), (1632, 157556), (1734, 148288), (1904, 135048), (1986, 129472), (2023, 127104), (2176, 118167), (2312, 111216), (2317, 110976), (2648, 97104), (2688, 95659), (2856, 90032), (3264, 78778), (3468, 74144), (3808, 67524), (3972, 64736), (4046, 63552), (4624, 55608), (4634, 55488), (5296, 48552), (5627, 45696), (5712, 45016), (6069, 42368), (6528, 39389), (6936, 37072), (6951, 36992), (7616, 33762), (7944, 32368), (8092, 31776), (9248, 27804), (9268, 27744), (10592, 24276), (11254, 22848), (11424, 22508), (12138, 21184), (13872, 18536), (13902, 18496), (15232, 16881), (15888, 16184)]