31237437184

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{55439}}^1$

素因数の和:55557

約数の個数: 72

約数和(自身を含む): 65271951360

約数和(自身を除く): 34034514176

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 124, 128, 142, 248, 256, 284, 496, 568, 992, 1136, 1984, 2201, 2272, 3968, 4402, 4544, 7936, 8804, 9088, 17608, 18176, 35216, 55439, 70432, 110878, 140864, 221756, 281728, 443512, 563456, 887024, 1718609, 1774048, 3437218, 3548096, 3936169, 6874436, 7096192, 7872338, 13748872, 14192384, 15744676, 27497744, 31489352, 54995488, 62978704, 109990976, 122021239, 125957408, 219981952, 244042478, 251914816, 439963904, 488084956, 503829632, 976169912, 1007659264, 1952339824, 3904679648, 7809359296, 15618718592, 31237437184]

約数ペア:

[(1, 31237437184), (2, 15618718592), (4, 7809359296), (8, 3904679648), (16, 1952339824), (31, 1007659264), (32, 976169912), (62, 503829632), (64, 488084956), (71, 439963904), (124, 251914816), (128, 244042478), (142, 219981952), (248, 125957408), (256, 122021239), (284, 109990976), (496, 62978704), (568, 54995488), (992, 31489352), (1136, 27497744), (1984, 15744676), (2201, 14192384), (2272, 13748872), (3968, 7872338), (4402, 7096192), (4544, 6874436), (7936, 3936169), (8804, 3548096), (9088, 3437218), (17608, 1774048), (18176, 1718609), (35216, 887024), (55439, 563456), (70432, 443512), (110878, 281728), (140864, 221756)]