28013648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{134681}}^1$

素因数の和:134702

約数の個数: 20

約数和(自身を含む): 58451988

約数和(自身を除く): 30438340

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 134681, 269362, 538724, 1077448, 1750853, 2154896, 3501706, 7003412, 14006824, 28013648]

約数ペア:

[(1, 28013648), (2, 14006824), (4, 7003412), (8, 3501706), (13, 2154896), (16, 1750853), (26, 1077448), (52, 538724), (104, 269362), (208, 134681)]