256220125161

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{301489}}^1$

素因数の和:301806

約数の個数: 64

約数和(自身を含む): 460310108160

約数和(自身を除く): 204089982999

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 283, 429, 849, 1001, 1981, 3003, 3113, 3679, 5943, 9339, 11037, 21791, 25753, 40469, 65373, 77259, 121407, 283283, 301489, 849849, 904467, 2110423, 3316379, 3919357, 6331269, 9949137, 11758071, 23214653, 27435499, 43112927, 69643959, 82306497, 85321387, 129338781, 255964161, 301790489, 597249709, 905371467, 938535257, 1109178031, 1791749127, 2815605771, 3327534093, 6569746799, 7764246217, 12200958341, 19709240397, 23292738651, 36602875023, 85406708387, 256220125161]

約数ペア:

[(1, 256220125161), (3, 85406708387), (7, 36602875023), (11, 23292738651), (13, 19709240397), (21, 12200958341), (33, 7764246217), (39, 6569746799), (77, 3327534093), (91, 2815605771), (143, 1791749127), (231, 1109178031), (273, 938535257), (283, 905371467), (429, 597249709), (849, 301790489), (1001, 255964161), (1981, 129338781), (3003, 85321387), (3113, 82306497), (3679, 69643959), (5943, 43112927), (9339, 27435499), (11037, 23214653), (21791, 11758071), (25753, 9949137), (40469, 6331269), (65373, 3919357), (77259, 3316379), (121407, 2110423), (283283, 904467), (301489, 849849)]