78721804

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1459}}^1$

素因数の和:1558

約数の個数: 48

約数和(自身を含む): 164828160

約数和(自身を除く): 86106356

約数列:

[1, 2, 4, 7, 14, 28, 41, 47, 82, 94, 164, 188, 287, 329, 574, 658, 1148, 1316, 1459, 1927, 2918, 3854, 5836, 7708, 10213, 13489, 20426, 26978, 40852, 53956, 59819, 68573, 119638, 137146, 239276, 274292, 418733, 480011, 837466, 960022, 1674932, 1920044, 2811493, 5622986, 11245972, 19680451, 39360902, 78721804]

約数ペア:

[(1, 78721804), (2, 39360902), (4, 19680451), (7, 11245972), (14, 5622986), (28, 2811493), (41, 1920044), (47, 1674932), (82, 960022), (94, 837466), (164, 480011), (188, 418733), (287, 274292), (329, 239276), (574, 137146), (658, 119638), (1148, 68573), (1316, 59819), (1459, 53956), (1927, 40852), (2918, 26978), (3854, 20426), (5836, 13489), (7708, 10213)]