81723455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{36241}}^1$

素因数の和:36298

約数の個数: 16

約数和(自身を含む): 109595808

約数和(自身を除く): 27872353

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 36241, 181205, 398651, 1485881, 1993255, 7429405, 16344691, 81723455]

約数ペア:

[(1, 81723455), (5, 16344691), (11, 7429405), (41, 1993255), (55, 1485881), (205, 398651), (451, 181205), (2255, 36241)]