28067039

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2549}}^1$

素因数の和:2591

約数の個数: 24

約数和(自身を含む): 37984800

約数和(自身を除く): 9917761

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 847, 1001, 1573, 2549, 11011, 17843, 28039, 33137, 196273, 231959, 308429, 364507, 2159003, 2551549, 4009577, 28067039]

約数ペア:

[(1, 28067039), (7, 4009577), (11, 2551549), (13, 2159003), (77, 364507), (91, 308429), (121, 231959), (143, 196273), (847, 33137), (1001, 28039), (1573, 17843), (2549, 11011)]