16997393

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 21596160

約数和(自身を除く): 4598767

約数列:

[1, 7, 29, 31, 37, 73, 203, 217, 259, 511, 899, 1073, 1147, 2117, 2263, 2701, 6293, 7511, 8029, 14819, 15841, 18907, 33263, 65627, 78329, 83731, 232841, 459389, 548303, 586117, 2428199, 16997393]

約数ペア:

[(1, 16997393), (7, 2428199), (29, 586117), (31, 548303), (37, 459389), (73, 232841), (203, 83731), (217, 78329), (259, 65627), (511, 33263), (899, 18907), (1073, 15841), (1147, 14819), (2117, 8029), (2263, 7511), (2701, 6293)]