66086605

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 86526792

約数和(自身を除く): 20440187

約数列:

[1, 5, 13, 65, 169, 197, 397, 845, 985, 1985, 2561, 5161, 12805, 25805, 33293, 67093, 78209, 166465, 335465, 391045, 1016717, 5083585, 13217321, 66086605]

約数ペア:

[(1, 66086605), (5, 13217321), (13, 5083585), (65, 1016717), (169, 391045), (197, 335465), (397, 166465), (845, 78209), (985, 67093), (1985, 33293), (2561, 25805), (5161, 12805)]