398499838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1\times {\mathrm{739}}^1$

素因数の和:1072

約数の個数: 32

約数和(自身を含む): 661524480

約数和(自身を除く): 263024642

約数列:

[1, 2, 11, 22, 127, 193, 254, 386, 739, 1397, 1478, 2123, 2794, 4246, 8129, 16258, 24511, 49022, 93853, 142627, 187706, 269621, 285254, 539242, 1032383, 1568897, 2064766, 3137794, 18113629, 36227258, 199249919, 398499838]

約数ペア:

[(1, 398499838), (2, 199249919), (11, 36227258), (22, 18113629), (127, 3137794), (193, 2064766), (254, 1568897), (386, 1032383), (739, 539242), (1397, 285254), (1478, 269621), (2123, 187706), (2794, 142627), (4246, 93853), (8129, 49022), (16258, 24511)]