198892589

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{78707}}^1$

素因数の和:78752

約数の個数: 12

約数和(自身を含む): 239901984

約数和(自身を除く): 41009395

約数列:

[1, 7, 19, 133, 361, 2527, 78707, 550949, 1495433, 10468031, 28413227, 198892589]

約数ペア:

[(1, 198892589), (7, 28413227), (19, 10468031), (133, 1495433), (361, 550949), (2527, 78707)]