490813648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{2359681}}^1$

素因数の和:2359702

約数の個数: 20

約数和(自身を含む): 1024101988

約数和(自身を除く): 533288340

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 2359681, 4719362, 9438724, 18877448, 30675853, 37754896, 61351706, 122703412, 245406824, 490813648]

約数ペア:

[(1, 490813648), (2, 245406824), (4, 122703412), (8, 61351706), (13, 37754896), (16, 30675853), (26, 18877448), (52, 9438724), (104, 4719362), (208, 2359681)]