728176

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:720

約数の個数: 20

約数和(自身を含む): 1432944

約数和(自身を除く): 704768

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 641, 1136, 1282, 2564, 5128, 10256, 45511, 91022, 182044, 364088, 728176]

約数ペア:

[(1, 728176), (2, 364088), (4, 182044), (8, 91022), (16, 45511), (71, 10256), (142, 5128), (284, 2564), (568, 1282), (641, 1136)]