31601248

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1987}}^1$

素因数の和:2075

約数の個数: 48

約数和(自身を含む): 72140544

約数和(自身を除く): 40539296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 112, 142, 224, 284, 497, 568, 994, 1136, 1987, 1988, 2272, 3974, 3976, 7948, 7952, 13909, 15896, 15904, 27818, 31792, 55636, 63584, 111272, 141077, 222544, 282154, 445088, 564308, 987539, 1128616, 1975078, 2257232, 3950156, 4514464, 7900312, 15800624, 31601248]

約数ペア:

[(1, 31601248), (2, 15800624), (4, 7900312), (7, 4514464), (8, 3950156), (14, 2257232), (16, 1975078), (28, 1128616), (32, 987539), (56, 564308), (71, 445088), (112, 282154), (142, 222544), (224, 141077), (284, 111272), (497, 63584), (568, 55636), (994, 31792), (1136, 27818), (1987, 15904), (1988, 15896), (2272, 13909), (3974, 7952), (3976, 7948)]