128889774

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{550811}}^1$

素因数の和:550832

約数の個数: 24

約数和(自身を含む): 300743352

約数和(自身を除く): 171853578

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 550811, 1101622, 1652433, 3304866, 4957299, 7160543, 9914598, 14321086, 21481629, 42963258, 64444887, 128889774]

約数ペア:

[(1, 128889774), (2, 64444887), (3, 42963258), (6, 21481629), (9, 14321086), (13, 9914598), (18, 7160543), (26, 4957299), (39, 3304866), (78, 1652433), (117, 1101622), (234, 550811)]