257423912

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{34123}}^1$

素因数の和:34193

約数の個数: 32

約数和(自身を含む): 515954880

約数和(自身を除く): 258530968

約数列:

[1, 2, 4, 8, 23, 41, 46, 82, 92, 164, 184, 328, 943, 1886, 3772, 7544, 34123, 68246, 136492, 272984, 784829, 1399043, 1569658, 2798086, 3139316, 5596172, 6278632, 11192344, 32177989, 64355978, 128711956, 257423912]

約数ペア:

[(1, 257423912), (2, 128711956), (4, 64355978), (8, 32177989), (23, 11192344), (41, 6278632), (46, 5596172), (82, 3139316), (92, 2798086), (164, 1569658), (184, 1399043), (328, 784829), (943, 272984), (1886, 136492), (3772, 68246), (7544, 34123)]