354403478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:717

約数の個数: 48

約数和(自身を含む): 632448000

約数和(自身を除く): 278044522

約数列:

[1, 2, 11, 13, 22, 26, 143, 169, 199, 286, 338, 398, 479, 958, 1859, 2189, 2587, 3718, 4378, 5174, 5269, 6227, 10538, 12454, 28457, 33631, 56914, 67262, 68497, 80951, 95321, 136994, 161902, 190642, 369941, 739882, 890461, 1048531, 1239173, 1780922, 2097062, 2478346, 13630903, 16109249, 27261806, 32218498, 177201739, 354403478]

約数ペア:

[(1, 354403478), (2, 177201739), (11, 32218498), (13, 27261806), (22, 16109249), (26, 13630903), (143, 2478346), (169, 2097062), (199, 1780922), (286, 1239173), (338, 1048531), (398, 890461), (479, 739882), (958, 369941), (1859, 190642), (2189, 161902), (2587, 136994), (3718, 95321), (4378, 80951), (5174, 68497), (5269, 67262), (6227, 56914), (10538, 33631), (12454, 28457)]