40872449

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 44271360

約数和(自身を除く): 3398911

約数列:

[1, 23, 41, 89, 487, 943, 2047, 3649, 11201, 19967, 43343, 83927, 459241, 996889, 1777063, 40872449]

約数ペア:

[(1, 40872449), (23, 1777063), (41, 996889), (89, 459241), (487, 83927), (943, 43343), (2047, 19967), (3649, 11201)]