639143314

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{69457}}^1$

素因数の和:69609

約数の個数: 16

約数和(自身を含む): 990193248

約数和(自身を除く): 351049934

約数列:

[1, 2, 43, 86, 107, 214, 4601, 9202, 69457, 138914, 2986651, 5973302, 7431899, 14863798, 319571657, 639143314]

約数ペア:

[(1, 639143314), (2, 319571657), (43, 14863798), (86, 7431899), (107, 5973302), (214, 2986651), (4601, 138914), (9202, 69457)]