258889714

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1\times {\mathrm{4153}}^1$

素因数の和:4665

約数の個数: 16

約数和(自身を含む): 394796160

約数和(自身を除く): 135906446

約数列:

[1, 2, 71, 142, 439, 878, 4153, 8306, 31169, 62338, 294863, 589726, 1823167, 3646334, 129444857, 258889714]

約数ペア:

[(1, 258889714), (2, 129444857), (71, 3646334), (142, 1823167), (439, 589726), (878, 294863), (4153, 62338), (8306, 31169)]