211313288

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1390219}}^1$

素因数の和:1390244

約数の個数: 16

約数和(自身を含む): 417066000

約数和(自身を除く): 205752712

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1390219, 2780438, 5560876, 11121752, 26414161, 52828322, 105656644, 211313288]

約数ペア:

[(1, 211313288), (2, 105656644), (4, 52828322), (8, 26414161), (19, 11121752), (38, 5560876), (76, 2780438), (152, 1390219)]