1888897913

素因数分解:

$7^4\times {\mathrm{271}}^1\times {\mathrm{2903}}^1$

素因数の和:3202

約数の個数: 20

約数和(自身を含む): 2212476288

約数和(自身を除く): 323578375

約数列:

[1, 7, 49, 271, 343, 1897, 2401, 2903, 13279, 20321, 92953, 142247, 650671, 786713, 995729, 5506991, 6970103, 38548937, 269842559, 1888897913]

約数ペア:

[(1, 1888897913), (7, 269842559), (49, 38548937), (271, 6970103), (343, 5506991), (1897, 995729), (2401, 786713), (2903, 650671), (13279, 142247), (20321, 92953)]