81983774

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{2029}}^1$

素因数の和:2347

約数の個数: 16

約数和(自身を含む): 124966800

約数和(自身を除く): 42983026

約数列:

[1, 2, 89, 178, 227, 454, 2029, 4058, 20203, 40406, 180581, 361162, 460583, 921166, 40991887, 81983774]

約数ペア:

[(1, 81983774), (2, 40991887), (89, 921166), (178, 460583), (227, 361162), (454, 180581), (2029, 40406), (4058, 20203)]