81351452

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223493}}^1$

素因数の和:223517

約数の個数: 24

約数和(自身を含む): 175219296

約数和(自身を除く): 93867844

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 223493, 446986, 893972, 1564451, 2905409, 3128902, 5810818, 6257804, 11621636, 20337863, 40675726, 81351452]

約数ペア:

[(1, 81351452), (2, 40675726), (4, 20337863), (7, 11621636), (13, 6257804), (14, 5810818), (26, 3128902), (28, 2905409), (52, 1564451), (91, 893972), (182, 446986), (364, 223493)]