128256211

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{991}}^1$

素因数の和:1362

約数の個数: 16

約数和(自身を含む): 142276608

約数和(自身を除く): 14020397

約数列:

[1, 17, 23, 331, 391, 991, 5627, 7613, 16847, 22793, 129421, 328021, 387481, 5576357, 7544483, 128256211]

約数ペア:

[(1, 128256211), (17, 7544483), (23, 5576357), (331, 387481), (391, 328021), (991, 129421), (5627, 22793), (7613, 16847)]