219723658

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{129707}}^1$

素因数の和:129738

約数の個数: 24

約数和(自身を含む): 414027936

約数和(自身を除く): 194304278

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 129707, 259414, 907949, 1426777, 1815898, 2853554, 9987439, 15694547, 19974878, 31389094, 109861829, 219723658]

約数ペア:

[(1, 219723658), (2, 109861829), (7, 31389094), (11, 19974878), (14, 15694547), (22, 9987439), (77, 2853554), (121, 1815898), (154, 1426777), (242, 907949), (847, 259414), (1694, 129707)]