251555328

素因数分解:

$2^9\times 3^3\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:645

約数の個数: 160

約数和(自身を含む): 769950720

約数和(自身を除く): 518395392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 128, 144, 186, 192, 216, 248, 256, 279, 288, 372, 384, 432, 496, 512, 558, 576, 587, 744, 768, 837, 864, 992, 1116, 1152, 1174, 1488, 1536, 1674, 1728, 1761, 1984, 2232, 2304, 2348, 2976, 3348, 3456, 3522, 3968, 4464, 4608, 4696, 5283, 5952, 6696, 6912, 7044, 7936, 8928, 9392, 10566, 11904, 13392, 13824, 14088, 15849, 15872, 17856, 18197, 18784, 21132, 23808, 26784, 28176, 31698, 35712, 36394, 37568, 42264, 47616, 53568, 54591, 56352, 63396, 71424, 72788, 75136, 84528, 107136, 109182, 112704, 126792, 142848, 145576, 150272, 163773, 169056, 214272, 218364, 225408, 253584, 291152, 300544, 327546, 338112, 428544, 436728, 450816, 491319, 507168, 582304, 655092, 676224, 873456, 901632, 982638, 1014336, 1164608, 1310184, 1352448, 1746912, 1965276, 2028672, 2329216, 2620368, 2704896, 3493824, 3930552, 4057344, 4658432, 5240736, 6987648, 7861104, 8114688, 9316864, 10481472, 13975296, 15722208, 20962944, 27950592, 31444416, 41925888, 62888832, 83851776, 125777664, 251555328]

約数ペア:

[(1, 251555328), (2, 125777664), (3, 83851776), (4, 62888832), (6, 41925888), (8, 31444416), (9, 27950592), (12, 20962944), (16, 15722208), (18, 13975296), (24, 10481472), (27, 9316864), (31, 8114688), (32, 7861104), (36, 6987648), (48, 5240736), (54, 4658432), (62, 4057344), (64, 3930552), (72, 3493824), (93, 2704896), (96, 2620368), (108, 2329216), (124, 2028672), (128, 1965276), (144, 1746912), (186, 1352448), (192, 1310184), (216, 1164608), (248, 1014336), (256, 982638), (279, 901632), (288, 873456), (372, 676224), (384, 655092), (432, 582304), (496, 507168), (512, 491319), (558, 450816), (576, 436728), (587, 428544), (744, 338112), (768, 327546), (837, 300544), (864, 291152), (992, 253584), (1116, 225408), (1152, 218364), (1174, 214272), (1488, 169056), (1536, 163773), (1674, 150272), (1728, 145576), (1761, 142848), (1984, 126792), (2232, 112704), (2304, 109182), (2348, 107136), (2976, 84528), (3348, 75136), (3456, 72788), (3522, 71424), (3968, 63396), (4464, 56352), (4608, 54591), (4696, 53568), (5283, 47616), (5952, 42264), (6696, 37568), (6912, 36394), (7044, 35712), (7936, 31698), (8928, 28176), (9392, 26784), (10566, 23808), (11904, 21132), (13392, 18784), (13824, 18197), (14088, 17856), (15849, 15872)]