28389634

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^4\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 40

約数和(自身を含む): 53466048

約数和(自身を除く): 25076414

約数列:

[1, 2, 7, 13, 14, 26, 71, 91, 142, 169, 182, 338, 497, 923, 994, 1183, 1846, 2197, 2366, 4394, 6461, 11999, 12922, 15379, 23998, 28561, 30758, 57122, 83993, 155987, 167986, 199927, 311974, 399854, 1091909, 2027831, 2183818, 4055662, 14194817, 28389634]

約数ペア:

[(1, 28389634), (2, 14194817), (7, 4055662), (13, 2183818), (14, 2027831), (26, 1091909), (71, 399854), (91, 311974), (142, 199927), (169, 167986), (182, 155987), (338, 83993), (497, 57122), (923, 30758), (994, 28561), (1183, 23998), (1846, 15379), (2197, 12922), (2366, 11999), (4394, 6461)]