28460276

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{42101}}^1$

素因数の和:42131

約数の個数: 18

約数和(自身を含む): 53932662

約数和(自身を除く): 25472386

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 42101, 84202, 168404, 547313, 1094626, 2189252, 7115069, 14230138, 28460276]

約数ペア:

[(1, 28460276), (2, 14230138), (4, 7115069), (13, 2189252), (26, 1094626), (52, 547313), (169, 168404), (338, 84202), (676, 42101)]