55142339

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{20147}}^1$

素因数の和:20194

約数の個数: 16

約数和(自身を含む): 69631488

約数和(自身を除く): 14489149

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 20147, 141029, 342499, 463381, 2397493, 3243667, 7877477, 55142339]

約数ペア:

[(1, 55142339), (7, 7877477), (17, 3243667), (23, 2397493), (119, 463381), (161, 342499), (391, 141029), (2737, 20147)]