2631208321

素因数分解:

$7^2\times {\mathrm{421}}^1\times {\mathrm{127549}}^1$

素因数の和:127984

約数の個数: 12

約数和(自身を含む): 3068087700

約数和(自身を除く): 436879379

約数列:

[1, 7, 49, 421, 2947, 20629, 127549, 892843, 6249901, 53698129, 375886903, 2631208321]

約数ペア:

[(1, 2631208321), (7, 375886903), (49, 53698129), (421, 6249901), (2947, 892843), (20629, 127549)]