209957326

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{9001}}^1$

素因数の和:9219

約数の個数: 16

約数和(自身を含む): 320831280

約数和(自身を除く): 110873954

約数列:

[1, 2, 107, 109, 214, 218, 9001, 11663, 18002, 23326, 963107, 981109, 1926214, 1962218, 104978663, 209957326]

約数ペア:

[(1, 209957326), (2, 104978663), (107, 1962218), (109, 1926214), (214, 981109), (218, 963107), (9001, 23326), (11663, 18002)]