20161447691

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{659539}}^1$

素因数の和:659954

約数の個数: 16

約数和(自身を含む): 25199704320

約数和(自身を除く): 5038256629

約数列:

[1, 7, 11, 77, 397, 2779, 4367, 30569, 659539, 4616773, 7254929, 50784503, 261836983, 1832858881, 2880206813, 20161447691]

約数ペア:

[(1, 20161447691), (7, 2880206813), (11, 1832858881), (77, 261836983), (397, 50784503), (2779, 7254929), (4367, 4616773), (30569, 659539)]