1226255778

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^2$

素因数の和:245

約数の個数: 144

約数和(自身を含む): 3132829440

約数和(自身を除く): 1906573662

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 29, 31, 33, 58, 62, 66, 83, 87, 93, 99, 166, 174, 186, 198, 249, 261, 279, 319, 341, 498, 522, 558, 638, 682, 747, 899, 913, 957, 1023, 1494, 1798, 1826, 1914, 2046, 2407, 2573, 2697, 2739, 2871, 3069, 4814, 5146, 5394, 5478, 5742, 6138, 6889, 7221, 7719, 8091, 8217, 9889, 13778, 14442, 15438, 16182, 16434, 19778, 20667, 21663, 23157, 26477, 28303, 29667, 41334, 43326, 46314, 52954, 56606, 59334, 62001, 74617, 75779, 79431, 84909, 89001, 124002, 149234, 151558, 158862, 169818, 178002, 199781, 213559, 223851, 227337, 238293, 254727, 399562, 427118, 447702, 454674, 476586, 509454, 599343, 640677, 671553, 682011, 820787, 1198686, 1281354, 1343106, 1364022, 1641574, 1798029, 1922031, 2197591, 2349149, 2462361, 3596058, 3844062, 4395182, 4698298, 4924722, 6193211, 6592773, 7047447, 7387083, 12386422, 13185546, 14094894, 14774166, 18579633, 19778319, 21142341, 37159266, 39556638, 42284682, 55738899, 68125321, 111477798, 136250642, 204375963, 408751926, 613127889, 1226255778]

約数ペア:

[(1, 1226255778), (2, 613127889), (3, 408751926), (6, 204375963), (9, 136250642), (11, 111477798), (18, 68125321), (22, 55738899), (29, 42284682), (31, 39556638), (33, 37159266), (58, 21142341), (62, 19778319), (66, 18579633), (83, 14774166), (87, 14094894), (93, 13185546), (99, 12386422), (166, 7387083), (174, 7047447), (186, 6592773), (198, 6193211), (249, 4924722), (261, 4698298), (279, 4395182), (319, 3844062), (341, 3596058), (498, 2462361), (522, 2349149), (558, 2197591), (638, 1922031), (682, 1798029), (747, 1641574), (899, 1364022), (913, 1343106), (957, 1281354), (1023, 1198686), (1494, 820787), (1798, 682011), (1826, 671553), (1914, 640677), (2046, 599343), (2407, 509454), (2573, 476586), (2697, 454674), (2739, 447702), (2871, 427118), (3069, 399562), (4814, 254727), (5146, 238293), (5394, 227337), (5478, 223851), (5742, 213559), (6138, 199781), (6889, 178002), (7221, 169818), (7719, 158862), (8091, 151558), (8217, 149234), (9889, 124002), (13778, 89001), (14442, 84909), (15438, 79431), (16182, 75779), (16434, 74617), (19778, 62001), (20667, 59334), (21663, 56606), (23157, 52954), (26477, 46314), (28303, 43326), (29667, 41334)]