81320513

素因数分解:

${\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:716

約数の個数: 16

約数和(自身を含む): 87736320

約数和(自身を除く): 6415807

約数列:

[1, 19, 67, 127, 503, 1273, 2413, 8509, 9557, 33701, 63881, 161671, 640319, 1213739, 4280027, 81320513]

約数ペア:

[(1, 81320513), (19, 4280027), (67, 1213739), (127, 640319), (503, 161671), (1273, 63881), (2413, 33701), (8509, 9557)]