28117648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{135181}}^1$

素因数の和:135202

約数の個数: 20

約数和(自身を含む): 58668988

約数和(自身を除く): 30551340

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 135181, 270362, 540724, 1081448, 1757353, 2162896, 3514706, 7029412, 14058824, 28117648]

約数ペア:

[(1, 28117648), (2, 14058824), (4, 7029412), (8, 3514706), (13, 2162896), (16, 1757353), (26, 1081448), (52, 540724), (104, 270362), (208, 135181)]