123678191

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{31607}}^1$

素因数の和:31670

約数の個数: 16

約数和(自身を含む): 155764224

約数和(自身を除く): 32086033

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 31607, 221249, 410891, 1359101, 2876237, 9513707, 17668313, 123678191]

約数ペア:

[(1, 123678191), (7, 17668313), (13, 9513707), (43, 2876237), (91, 1359101), (301, 410891), (559, 221249), (3913, 31607)]