489071804

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{723479}}^1$

素因数の和:723509

約数の個数: 18

約数和(自身を含む): 926777880

約数和(自身を除く): 437706076

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 723479, 1446958, 2893916, 9405227, 18810454, 37620908, 122267951, 244535902, 489071804]

約数ペア:

[(1, 489071804), (2, 244535902), (4, 122267951), (13, 37620908), (26, 18810454), (52, 9405227), (169, 2893916), (338, 1446958), (676, 723479)]