257029522078

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{426959339}}^1$

素因数の和:426959391

約数の個数: 16

約数和(自身を含む): 450869063040

約数和(自身を除く): 193839540962

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 426959339, 853918678, 2988715373, 5977430746, 18359251577, 36718503154, 128514761039, 257029522078]

約数ペア:

[(1, 257029522078), (2, 128514761039), (7, 36718503154), (14, 18359251577), (43, 5977430746), (86, 2988715373), (301, 853918678), (602, 426959339)]