289249268

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{939121}}^1$

素因数の和:939143

約数の個数: 24

約数和(自身を含む): 631089984

約数和(自身を除く): 341840716

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 939121, 1878242, 3756484, 6573847, 10330331, 13147694, 20660662, 26295388, 41321324, 72312317, 144624634, 289249268]

約数ペア:

[(1, 289249268), (2, 144624634), (4, 72312317), (7, 41321324), (11, 26295388), (14, 20660662), (22, 13147694), (28, 10330331), (44, 6573847), (77, 3756484), (154, 1878242), (308, 939121)]