28209128

素因数分解:

$2^3\times {\mathrm{641}}^1\times {\mathrm{5501}}^1$

素因数の和:6148

約数の個数: 16

約数和(自身を含む): 52984260

約数和(自身を除く): 24775132

約数列:

[1, 2, 4, 8, 641, 1282, 2564, 5128, 5501, 11002, 22004, 44008, 3526141, 7052282, 14104564, 28209128]

約数ペア:

[(1, 28209128), (2, 14104564), (4, 7052282), (8, 3526141), (641, 44008), (1282, 22004), (2564, 11002), (5128, 5501)]