25118418

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1051

約数の個数: 64

約数和(自身を含む): 60359040

約数和(自身を除く): 35240622

約数列:

[1, 2, 3, 6, 13, 17, 19, 26, 34, 38, 39, 51, 57, 78, 102, 114, 221, 247, 323, 442, 494, 646, 663, 741, 969, 997, 1326, 1482, 1938, 1994, 2991, 4199, 5982, 8398, 12597, 12961, 16949, 18943, 25194, 25922, 33898, 37886, 38883, 50847, 56829, 77766, 101694, 113658, 220337, 246259, 322031, 440674, 492518, 644062, 661011, 738777, 966093, 1322022, 1477554, 1932186, 4186403, 8372806, 12559209, 25118418]

約数ペア:

[(1, 25118418), (2, 12559209), (3, 8372806), (6, 4186403), (13, 1932186), (17, 1477554), (19, 1322022), (26, 966093), (34, 738777), (38, 661011), (39, 644062), (51, 492518), (57, 440674), (78, 322031), (102, 246259), (114, 220337), (221, 113658), (247, 101694), (323, 77766), (442, 56829), (494, 50847), (646, 38883), (663, 37886), (741, 33898), (969, 25922), (997, 25194), (1326, 18943), (1482, 16949), (1938, 12961), (1994, 12597), (2991, 8398), (4199, 5982)]