81288116

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223319}}^1$

素因数の和:223343

約数の個数: 24

約数和(自身を含む): 175082880

約数和(自身を除く): 93794764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 223319, 446638, 893276, 1563233, 2903147, 3126466, 5806294, 6252932, 11612588, 20322029, 40644058, 81288116]

約数ペア:

[(1, 81288116), (2, 40644058), (4, 20322029), (7, 11612588), (13, 6252932), (14, 5806294), (26, 3126466), (28, 2903147), (52, 1563233), (91, 893276), (182, 446638), (364, 223319)]