81653882

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1\times {\mathrm{701}}^1$

素因数の和:1261

約数の個数: 16

約数和(自身を含む): 123832800

約数和(自身を除く): 42178918

約数列:

[1, 2, 139, 278, 419, 701, 838, 1402, 58241, 97439, 116482, 194878, 293719, 587438, 40826941, 81653882]

約数ペア:

[(1, 81653882), (2, 40826941), (139, 587438), (278, 293719), (419, 194878), (701, 116482), (838, 97439), (1402, 58241)]