28457286

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1951}}^1$

素因数の和:1997

約数の個数: 64

約数和(自身を含む): 70834176

約数和(自身を除く): 42376890

約数列:

[1, 2, 3, 6, 11, 13, 17, 22, 26, 33, 34, 39, 51, 66, 78, 102, 143, 187, 221, 286, 374, 429, 442, 561, 663, 858, 1122, 1326, 1951, 2431, 3902, 4862, 5853, 7293, 11706, 14586, 21461, 25363, 33167, 42922, 50726, 64383, 66334, 76089, 99501, 128766, 152178, 199002, 278993, 364837, 431171, 557986, 729674, 836979, 862342, 1094511, 1293513, 1673958, 2189022, 2587026, 4742881, 9485762, 14228643, 28457286]

約数ペア:

[(1, 28457286), (2, 14228643), (3, 9485762), (6, 4742881), (11, 2587026), (13, 2189022), (17, 1673958), (22, 1293513), (26, 1094511), (33, 862342), (34, 836979), (39, 729674), (51, 557986), (66, 431171), (78, 364837), (102, 278993), (143, 199002), (187, 152178), (221, 128766), (286, 99501), (374, 76089), (429, 66334), (442, 64383), (561, 50726), (663, 42922), (858, 33167), (1122, 25363), (1326, 21461), (1951, 14586), (2431, 11706), (3902, 7293), (4862, 5853)]