257293056

素因数分解:

$2^8\times 3^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 720534528

約数和(自身を除く): 463241472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 101, 107, 124, 128, 186, 192, 202, 214, 248, 256, 303, 321, 372, 384, 404, 428, 496, 606, 642, 744, 768, 808, 856, 992, 1212, 1284, 1488, 1616, 1712, 1984, 2424, 2568, 2976, 3131, 3232, 3317, 3424, 3968, 4848, 5136, 5952, 6262, 6464, 6634, 6848, 7936, 9393, 9696, 9951, 10272, 10807, 11904, 12524, 12928, 13268, 13696, 18786, 19392, 19902, 20544, 21614, 23808, 25048, 25856, 26536, 27392, 32421, 37572, 38784, 39804, 41088, 43228, 50096, 53072, 64842, 75144, 77568, 79608, 82176, 86456, 100192, 106144, 129684, 150288, 159216, 172912, 200384, 212288, 259368, 300576, 318432, 335017, 345824, 400768, 424576, 518736, 601152, 636864, 670034, 691648, 801536, 849152, 1005051, 1037472, 1202304, 1273728, 1340068, 1383296, 2010102, 2074944, 2404608, 2547456, 2680136, 2766592, 4020204, 4149888, 5360272, 8040408, 8299776, 10720544, 16080816, 21441088, 32161632, 42882176, 64323264, 85764352, 128646528, 257293056]

約数ペア:

[(1, 257293056), (2, 128646528), (3, 85764352), (4, 64323264), (6, 42882176), (8, 32161632), (12, 21441088), (16, 16080816), (24, 10720544), (31, 8299776), (32, 8040408), (48, 5360272), (62, 4149888), (64, 4020204), (93, 2766592), (96, 2680136), (101, 2547456), (107, 2404608), (124, 2074944), (128, 2010102), (186, 1383296), (192, 1340068), (202, 1273728), (214, 1202304), (248, 1037472), (256, 1005051), (303, 849152), (321, 801536), (372, 691648), (384, 670034), (404, 636864), (428, 601152), (496, 518736), (606, 424576), (642, 400768), (744, 345824), (768, 335017), (808, 318432), (856, 300576), (992, 259368), (1212, 212288), (1284, 200384), (1488, 172912), (1616, 159216), (1712, 150288), (1984, 129684), (2424, 106144), (2568, 100192), (2976, 86456), (3131, 82176), (3232, 79608), (3317, 77568), (3424, 75144), (3968, 64842), (4848, 53072), (5136, 50096), (5952, 43228), (6262, 41088), (6464, 39804), (6634, 38784), (6848, 37572), (7936, 32421), (9393, 27392), (9696, 26536), (9951, 25856), (10272, 25048), (10807, 23808), (11904, 21614), (12524, 20544), (12928, 19902), (13268, 19392), (13696, 18786)]