128548985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{20717}}^1$

素因数の和:20812

約数の個数: 16

約数和(自身を含む): 165578256

約数和(自身を除く): 37029271

約数列:

[1, 5, 17, 73, 85, 365, 1241, 6205, 20717, 103585, 352189, 1512341, 1760945, 7561705, 25709797, 128548985]

約数ペア:

[(1, 128548985), (5, 25709797), (17, 7561705), (73, 1760945), (85, 1512341), (365, 352189), (1241, 103585), (6205, 20717)]