2161328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{10391}}^1$

素因数の和:10412

約数の個数: 20

約数和(自身を含む): 4510128

約数和(自身を除く): 2348800

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 10391, 20782, 41564, 83128, 135083, 166256, 270166, 540332, 1080664, 2161328]

約数ペア:

[(1, 2161328), (2, 1080664), (4, 540332), (8, 270166), (13, 166256), (16, 135083), (26, 83128), (52, 41564), (104, 20782), (208, 10391)]