28795816

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 65433600

約数和(自身を除く): 36637784

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 79, 92, 158, 161, 184, 283, 316, 322, 553, 566, 632, 644, 1106, 1132, 1288, 1817, 1981, 2212, 2264, 3634, 3962, 4424, 6509, 7268, 7924, 12719, 13018, 14536, 15848, 22357, 25438, 26036, 44714, 45563, 50876, 52072, 89428, 91126, 101752, 156499, 178856, 182252, 312998, 364504, 514211, 625996, 1028422, 1251992, 2056844, 3599477, 4113688, 7198954, 14397908, 28795816]

約数ペア:

[(1, 28795816), (2, 14397908), (4, 7198954), (7, 4113688), (8, 3599477), (14, 2056844), (23, 1251992), (28, 1028422), (46, 625996), (56, 514211), (79, 364504), (92, 312998), (158, 182252), (161, 178856), (184, 156499), (283, 101752), (316, 91126), (322, 89428), (553, 52072), (566, 50876), (632, 45563), (644, 44714), (1106, 26036), (1132, 25438), (1288, 22357), (1817, 15848), (1981, 14536), (2212, 13018), (2264, 12719), (3634, 7924), (3962, 7268), (4424, 6509)]