25389217

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{5087}}^1$

素因数の和:5148

約数の個数: 16

約数和(自身を含む): 31260672

約数和(自身を除く): 5871455

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 5087, 35609, 117001, 157697, 819007, 1103879, 3627031, 25389217]

約数ペア:

[(1, 25389217), (7, 3627031), (23, 1103879), (31, 819007), (161, 157697), (217, 117001), (713, 35609), (4991, 5087)]