141281972

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{208997}}^1$

素因数の和:209027

約数の個数: 18

約数和(自身を含む): 267726438

約数和(自身を除く): 126444466

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 208997, 417994, 835988, 2716961, 5433922, 10867844, 35320493, 70640986, 141281972]

約数ペア:

[(1, 141281972), (2, 70640986), (4, 35320493), (13, 10867844), (26, 5433922), (52, 2716961), (169, 835988), (338, 417994), (676, 208997)]