28426734

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 72806400

約数和(自身を除く): 44379666

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 157, 189, 314, 378, 471, 479, 942, 958, 1099, 1413, 1437, 2198, 2826, 2874, 3297, 3353, 4239, 4311, 6594, 6706, 8478, 8622, 9891, 10059, 12933, 19782, 20118, 25866, 29673, 30177, 59346, 60354, 75203, 90531, 150406, 181062, 225609, 451218, 526421, 676827, 1052842, 1353654, 1579263, 2030481, 3158526, 4060962, 4737789, 9475578, 14213367, 28426734]

約数ペア:

[(1, 28426734), (2, 14213367), (3, 9475578), (6, 4737789), (7, 4060962), (9, 3158526), (14, 2030481), (18, 1579263), (21, 1353654), (27, 1052842), (42, 676827), (54, 526421), (63, 451218), (126, 225609), (157, 181062), (189, 150406), (314, 90531), (378, 75203), (471, 60354), (479, 59346), (942, 30177), (958, 29673), (1099, 25866), (1413, 20118), (1437, 19782), (2198, 12933), (2826, 10059), (2874, 9891), (3297, 8622), (3353, 8478), (4239, 6706), (4311, 6594)]