128413636

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{189961}}^1$

素因数の和:189991

約数の個数: 18

約数和(自身を含む): 243341322

約数和(自身を除く): 114927686

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 189961, 379922, 759844, 2469493, 4938986, 9877972, 32103409, 64206818, 128413636]

約数ペア:

[(1, 128413636), (2, 64206818), (4, 32103409), (13, 9877972), (26, 4938986), (52, 2469493), (169, 759844), (338, 379922), (676, 189961)]