207870208

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8923}}^1$

素因数の和:8959

約数の個数: 72

約数和(自身を含む): 510738368

約数和(自身を除く): 302868160

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 728, 832, 896, 1456, 1664, 1792, 2912, 3328, 5824, 8923, 11648, 17846, 23296, 35692, 62461, 71384, 115999, 124922, 142768, 231998, 249844, 285536, 463996, 499688, 571072, 811993, 927992, 999376, 1142144, 1623986, 1855984, 1998752, 2284288, 3247972, 3711968, 3997504, 6495944, 7423936, 7995008, 12991888, 14847872, 15990016, 25983776, 29695744, 51967552, 103935104, 207870208]

約数ペア:

[(1, 207870208), (2, 103935104), (4, 51967552), (7, 29695744), (8, 25983776), (13, 15990016), (14, 14847872), (16, 12991888), (26, 7995008), (28, 7423936), (32, 6495944), (52, 3997504), (56, 3711968), (64, 3247972), (91, 2284288), (104, 1998752), (112, 1855984), (128, 1623986), (182, 1142144), (208, 999376), (224, 927992), (256, 811993), (364, 571072), (416, 499688), (448, 463996), (728, 285536), (832, 249844), (896, 231998), (1456, 142768), (1664, 124922), (1792, 115999), (2912, 71384), (3328, 62461), (5824, 35692), (8923, 23296), (11648, 17846)]