135878519

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{145949}}^1$

素因数の和:145982

約数の個数: 12

約数和(自身を含む): 166383000

約数和(自身を除く): 30504481

約数列:

[1, 7, 19, 49, 133, 931, 145949, 1021643, 2773031, 7151501, 19411217, 135878519]

約数ペア:

[(1, 135878519), (7, 19411217), (19, 7151501), (49, 2773031), (133, 1021643), (931, 145949)]