131811008

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9491}}^1$

素因数の和:9541

約数の個数: 56

約数和(自身を含む): 308603904

約数和(自身を除く): 176792896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 6944, 9491, 13888, 18982, 37964, 66437, 75928, 132874, 151856, 265748, 294221, 303712, 531496, 588442, 607424, 1062992, 1176884, 2059547, 2125984, 2353768, 4119094, 4251968, 4707536, 8238188, 9415072, 16476376, 18830144, 32952752, 65905504, 131811008]

約数ペア:

[(1, 131811008), (2, 65905504), (4, 32952752), (7, 18830144), (8, 16476376), (14, 9415072), (16, 8238188), (28, 4707536), (31, 4251968), (32, 4119094), (56, 2353768), (62, 2125984), (64, 2059547), (112, 1176884), (124, 1062992), (217, 607424), (224, 588442), (248, 531496), (434, 303712), (448, 294221), (496, 265748), (868, 151856), (992, 132874), (1736, 75928), (1984, 66437), (3472, 37964), (6944, 18982), (9491, 13888)]