12880777

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 16416456

約数和(自身を除く): 3535679

約数列:

[1, 7, 13, 49, 73, 91, 277, 511, 637, 949, 1939, 3577, 3601, 6643, 13573, 20221, 25207, 46501, 141547, 176449, 262873, 990829, 1840111, 12880777]

約数ペア:

[(1, 12880777), (7, 1840111), (13, 990829), (49, 262873), (73, 176449), (91, 141547), (277, 46501), (511, 25207), (637, 20221), (949, 13573), (1939, 6643), (3577, 3601)]