16207513

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3931}}^1$

素因数の和:3988

約数の個数: 16

約数和(自身を含む): 20131840

約数和(自身を除く): 3924327

約数列:

[1, 7, 19, 31, 133, 217, 589, 3931, 4123, 27517, 74689, 121861, 522823, 853027, 2315359, 16207513]

約数ペア:

[(1, 16207513), (7, 2315359), (19, 853027), (31, 522823), (133, 121861), (217, 74689), (589, 27517), (3931, 4123)]