645699496

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 1445068800

約数和(自身を除く): 799369304

約数列:

[1, 2, 4, 8, 13, 19, 26, 31, 38, 52, 62, 76, 83, 104, 124, 127, 152, 166, 247, 248, 254, 332, 403, 494, 508, 589, 664, 806, 988, 1016, 1079, 1178, 1577, 1612, 1651, 1976, 2158, 2356, 2413, 2573, 3154, 3224, 3302, 3937, 4316, 4712, 4826, 5146, 6308, 6604, 7657, 7874, 8632, 9652, 10292, 10541, 12616, 13208, 15314, 15748, 19304, 20501, 20584, 21082, 30628, 31369, 31496, 33449, 41002, 42164, 48887, 51181, 61256, 62738, 66898, 74803, 82004, 84328, 97774, 102362, 125476, 133796, 137033, 149606, 164008, 195548, 200279, 204724, 250952, 267592, 274066, 299212, 326771, 391096, 400558, 409448, 548132, 598424, 635531, 653542, 801116, 972439, 1096264, 1271062, 1307084, 1602232, 1944878, 2542124, 2603627, 2614168, 3889756, 4248023, 5084248, 5207254, 6208649, 7779512, 8496046, 10414508, 12417298, 16992092, 20829016, 24834596, 33984184, 49669192, 80712437, 161424874, 322849748, 645699496]

約数ペア:

[(1, 645699496), (2, 322849748), (4, 161424874), (8, 80712437), (13, 49669192), (19, 33984184), (26, 24834596), (31, 20829016), (38, 16992092), (52, 12417298), (62, 10414508), (76, 8496046), (83, 7779512), (104, 6208649), (124, 5207254), (127, 5084248), (152, 4248023), (166, 3889756), (247, 2614168), (248, 2603627), (254, 2542124), (332, 1944878), (403, 1602232), (494, 1307084), (508, 1271062), (589, 1096264), (664, 972439), (806, 801116), (988, 653542), (1016, 635531), (1079, 598424), (1178, 548132), (1577, 409448), (1612, 400558), (1651, 391096), (1976, 326771), (2158, 299212), (2356, 274066), (2413, 267592), (2573, 250952), (3154, 204724), (3224, 200279), (3302, 195548), (3937, 164008), (4316, 149606), (4712, 137033), (4826, 133796), (5146, 125476), (6308, 102362), (6604, 97774), (7657, 84328), (7874, 82004), (8632, 74803), (9652, 66898), (10292, 62738), (10541, 61256), (12616, 51181), (13208, 48887), (15314, 42164), (15748, 41002), (19304, 33449), (20501, 31496), (20584, 31369), (21082, 30628)]