25148123

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 35661024

約数和(自身を除く): 10512901

約数列:

[1, 7, 11, 13, 37, 49, 77, 91, 97, 143, 259, 407, 481, 539, 637, 679, 1001, 1067, 1261, 1813, 2849, 3367, 3589, 4753, 5291, 7007, 7469, 8827, 13871, 19943, 23569, 25123, 37037, 39479, 46657, 52283, 61789, 97097, 175861, 259259, 276353, 326599, 513227, 679679, 1934471, 2286193, 3592589, 25148123]

約数ペア:

[(1, 25148123), (7, 3592589), (11, 2286193), (13, 1934471), (37, 679679), (49, 513227), (77, 326599), (91, 276353), (97, 259259), (143, 175861), (259, 97097), (407, 61789), (481, 52283), (539, 46657), (637, 39479), (679, 37037), (1001, 25123), (1067, 23569), (1261, 19943), (1813, 13871), (2849, 8827), (3367, 7469), (3589, 7007), (4753, 5291)]