619359988

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{916213}}^1$

素因数の和:916243

約数の個数: 18

約数和(自身を含む): 1173670134

約数和(自身を除く): 554310146

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 916213, 1832426, 3664852, 11910769, 23821538, 47643076, 154839997, 309679994, 619359988]

約数ペア:

[(1, 619359988), (2, 309679994), (4, 154839997), (13, 47643076), (26, 23821538), (52, 11910769), (169, 3664852), (338, 1832426), (676, 916213)]