643573054

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1\times {\mathrm{20479}}^1$

素因数の和:21327

約数の個数: 16

約数和(自身を含む): 1017446400

約数和(自身を除く): 373873346

約数列:

[1, 2, 19, 38, 827, 1654, 15713, 20479, 31426, 40958, 389101, 778202, 16936133, 33872266, 321786527, 643573054]

約数ペア:

[(1, 643573054), (2, 321786527), (19, 33872266), (38, 16936133), (827, 778202), (1654, 389101), (15713, 40958), (20479, 31426)]