28266378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9479}}^1$

素因数の和:9562

約数の個数: 32

約数和(自身を含む): 65525760

約数和(自身を除く): 37259382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 9479, 18958, 28437, 56874, 66353, 132706, 199059, 398118, 673009, 1346018, 2019027, 4038054, 4711063, 9422126, 14133189, 28266378]

約数ペア:

[(1, 28266378), (2, 14133189), (3, 9422126), (6, 4711063), (7, 4038054), (14, 2019027), (21, 1346018), (42, 673009), (71, 398118), (142, 199059), (213, 132706), (426, 66353), (497, 56874), (994, 28437), (1491, 18958), (2982, 9479)]