19960031

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{521}}^1$

素因数の和:962

約数の個数: 16

約数和(自身を含む): 24671808

約数和(自身を除く): 4711777

約数列:

[1, 7, 13, 91, 421, 521, 2947, 3647, 5473, 6773, 38311, 47411, 219341, 1535387, 2851433, 19960031]

約数ペア:

[(1, 19960031), (7, 2851433), (13, 1535387), (91, 219341), (421, 47411), (521, 38311), (2947, 6773), (3647, 5473)]