220647128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2121607}}^1$

素因数の和:2121626

約数の個数: 16

約数和(自身を含む): 445537680

約数和(自身を除く): 224890552

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2121607, 4243214, 8486428, 16972856, 27580891, 55161782, 110323564, 220647128]

約数ペア:

[(1, 220647128), (2, 110323564), (4, 55161782), (8, 27580891), (13, 16972856), (26, 8486428), (52, 4243214), (104, 2121607)]