81432064

素因数分解:

$2^9\times 7^1\times {\mathrm{22721}}^1$

素因数の和:22746

約数の個数: 40

約数和(自身を含む): 185956848

約数和(自身を除く): 104524784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 22721, 45442, 90884, 159047, 181768, 318094, 363536, 636188, 727072, 1272376, 1454144, 2544752, 2908288, 5089504, 5816576, 10179008, 11633152, 20358016, 40716032, 81432064]

約数ペア:

[(1, 81432064), (2, 40716032), (4, 20358016), (7, 11633152), (8, 10179008), (14, 5816576), (16, 5089504), (28, 2908288), (32, 2544752), (56, 1454144), (64, 1272376), (112, 727072), (128, 636188), (224, 363536), (256, 318094), (448, 181768), (512, 159047), (896, 90884), (1792, 45442), (3584, 22721)]