211319878

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1372207}}^1$

素因数の和:1372227

約数の個数: 16

約数和(自身を含む): 395195904

約数和(自身を除く): 183876026

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 1372207, 2744414, 9605449, 15094277, 19210898, 30188554, 105659939, 211319878]

約数ペア:

[(1, 211319878), (2, 105659939), (7, 30188554), (11, 19210898), (14, 15094277), (22, 9605449), (77, 2744414), (154, 1372207)]