81758491

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{991}}^1$

素因数の和:1242

約数の個数: 16

約数和(自身を含む): 90851328

約数和(自身を除く): 9092837

約数列:

[1, 17, 23, 211, 391, 991, 3587, 4853, 16847, 22793, 82501, 209101, 387481, 3554717, 4809323, 81758491]

約数ペア:

[(1, 81758491), (17, 4809323), (23, 3554717), (211, 387481), (391, 209101), (991, 82501), (3587, 22793), (4853, 16847)]