81320758

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{21943}}^1$

素因数の和:22071

約数の個数: 16

約数和(自身を含む): 130347360

約数和(自身を除く): 49026602

約数列:

[1, 2, 17, 34, 109, 218, 1853, 3706, 21943, 43886, 373031, 746062, 2391787, 4783574, 40660379, 81320758]

約数ペア:

[(1, 81320758), (2, 40660379), (17, 4783574), (34, 2391787), (109, 746062), (218, 373031), (1853, 43886), (3706, 21943)]