78384.000000

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2046

約数の個数: 16

約数和(自身を含む): 1318680

約数和(自身を除く): 631712

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 1997, 3994, 7988, 15976, 85871, 171742, 343484, 686968]

約数ペア:

[(1, 686968), (2, 343484), (4, 171742), (8, 85871), (43, 15976), (86, 7988), (172, 3994), (344, 1997)]