209900866

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{789101}}^1$

素因数の和:789129

約数の個数: 16

約数和(自身を含む): 378768960

約数和(自身を除く): 168868094

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 789101, 1578202, 5523707, 11047414, 14992919, 29985838, 104950433, 209900866]

約数ペア:

[(1, 209900866), (2, 104950433), (7, 29985838), (14, 14992919), (19, 11047414), (38, 5523707), (133, 1578202), (266, 789101)]