31628378

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{1979}}^1$

素因数の和:2173

約数の個数: 16

約数和(自身を含む): 48612960

約数和(自身を除く): 16984582

約数列:

[1, 2, 61, 122, 131, 262, 1979, 3958, 7991, 15982, 120719, 241438, 259249, 518498, 15814189, 31628378]

約数ペア:

[(1, 31628378), (2, 15814189), (61, 518498), (122, 259249), (131, 241438), (262, 120719), (1979, 15982), (3958, 7991)]