28287749

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 34276608

約数和(自身を除く): 5988859

約数列:

[1, 7, 47, 49, 71, 173, 329, 497, 1211, 2303, 3337, 3479, 8131, 8477, 12283, 23359, 56917, 85981, 163513, 398419, 577301, 601867, 4041107, 28287749]

約数ペア:

[(1, 28287749), (7, 4041107), (47, 601867), (49, 577301), (71, 398419), (173, 163513), (329, 85981), (497, 56917), (1211, 23359), (2303, 12283), (3337, 8477), (3479, 8131)]