25761554

素因数分解:

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

素因数の和:379

約数の個数: 48

約数和(自身を含む): 49249368

約数和(自身を除く): 23487814

約数列:

[1, 2, 7, 13, 14, 26, 49, 73, 91, 98, 146, 182, 277, 511, 554, 637, 949, 1022, 1274, 1898, 1939, 3577, 3601, 3878, 6643, 7154, 7202, 13286, 13573, 20221, 25207, 27146, 40442, 46501, 50414, 93002, 141547, 176449, 262873, 283094, 352898, 525746, 990829, 1840111, 1981658, 3680222, 12880777, 25761554]

約数ペア:

[(1, 25761554), (2, 12880777), (7, 3680222), (13, 1981658), (14, 1840111), (26, 990829), (49, 525746), (73, 352898), (91, 283094), (98, 262873), (146, 176449), (182, 141547), (277, 93002), (511, 50414), (554, 46501), (637, 40442), (949, 27146), (1022, 25207), (1274, 20221), (1898, 13573), (1939, 13286), (3577, 7202), (3601, 7154), (3878, 6643)]