389887.0000000

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{739}}^1$

素因数の和:857

約数の個数: 16

約数和(自身を含む): 6748800

約数和(自身を除く): 2428606

約数列:

[1, 2, 37, 74, 79, 158, 739, 1478, 2923, 5846, 27343, 54686, 58381, 116762, 2160097, 4320194]

約数ペア:

[(1, 4320194), (2, 2160097), (37, 116762), (74, 58381), (79, 54686), (158, 27343), (739, 5846), (1478, 2923)]