221656624

素因数分解:

$2^4\times 7^1\times {\mathrm{1979077}}^1$

素因数の和:1979092

約数の個数: 20

約数和(自身を含む): 490811344

約数和(自身を除く): 269154720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1979077, 3958154, 7916308, 13853539, 15832616, 27707078, 31665232, 55414156, 110828312, 221656624]

約数ペア:

[(1, 221656624), (2, 110828312), (4, 55414156), (7, 31665232), (8, 27707078), (14, 15832616), (16, 13853539), (28, 7916308), (56, 3958154), (112, 1979077)]