219164552

素因数分解:

$2^3\times {\mathrm{1361}}^1\times {\mathrm{20129}}^1$

素因数の和:21496

約数の個数: 16

約数和(自身を含む): 411255900

約数和(自身を除く): 192091348

約数列:

[1, 2, 4, 8, 1361, 2722, 5444, 10888, 20129, 40258, 80516, 161032, 27395569, 54791138, 109582276, 219164552]

約数ペア:

[(1, 219164552), (2, 109582276), (4, 54791138), (8, 27395569), (1361, 161032), (2722, 80516), (5444, 40258), (10888, 20129)]