78642928

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{54013}}^1$

素因数の和:54041

約数の個数: 40

約数和(自身を含む): 187536608

約数和(自身を除く): 108893680

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 54013, 108026, 216052, 378091, 432104, 702169, 756182, 864208, 1404338, 1512364, 2808676, 3024728, 4915183, 5617352, 6049456, 9830366, 11234704, 19660732, 39321464, 78642928]

約数ペア:

[(1, 78642928), (2, 39321464), (4, 19660732), (7, 11234704), (8, 9830366), (13, 6049456), (14, 5617352), (16, 4915183), (26, 3024728), (28, 2808676), (52, 1512364), (56, 1404338), (91, 864208), (104, 756182), (112, 702169), (182, 432104), (208, 378091), (364, 216052), (728, 108026), (1456, 54013)]