268112

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1289}}^1$

素因数の和:1310

約数の個数: 20

約数和(自身を含む): 559860

約数和(自身を除く): 291748

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1289, 2578, 5156, 10312, 16757, 20624, 33514, 67028, 134056, 268112]

約数ペア:

[(1, 268112), (2, 134056), (4, 67028), (8, 33514), (13, 20624), (16, 16757), (26, 10312), (52, 5156), (104, 2578), (208, 1289)]