247708538

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 496419840

約数和(自身を除く): 248711302

約数列:

[1, 2, 7, 11, 14, 22, 31, 53, 62, 77, 89, 106, 121, 154, 178, 217, 242, 341, 371, 434, 583, 623, 682, 742, 847, 979, 1166, 1246, 1643, 1694, 1958, 2387, 2759, 3286, 3751, 4081, 4717, 4774, 5518, 6413, 6853, 7502, 8162, 9434, 10769, 11501, 12826, 13706, 18073, 19313, 21538, 23002, 26257, 30349, 33019, 36146, 38626, 44891, 51887, 52514, 60698, 66038, 75383, 89782, 103774, 126511, 146227, 150766, 198803, 212443, 253022, 292454, 333839, 363209, 397606, 424886, 570757, 667678, 726418, 1023589, 1141514, 1391621, 1608497, 2047178, 2336873, 2783242, 3216994, 3995299, 4673746, 7990598, 11259479, 17693467, 22518958, 35386934, 123854269, 247708538]

約数ペア:

[(1, 247708538), (2, 123854269), (7, 35386934), (11, 22518958), (14, 17693467), (22, 11259479), (31, 7990598), (53, 4673746), (62, 3995299), (77, 3216994), (89, 2783242), (106, 2336873), (121, 2047178), (154, 1608497), (178, 1391621), (217, 1141514), (242, 1023589), (341, 726418), (371, 667678), (434, 570757), (583, 424886), (623, 397606), (682, 363209), (742, 333839), (847, 292454), (979, 253022), (1166, 212443), (1246, 198803), (1643, 150766), (1694, 146227), (1958, 126511), (2387, 103774), (2759, 89782), (3286, 75383), (3751, 66038), (4081, 60698), (4717, 52514), (4774, 51887), (5518, 44891), (6413, 38626), (6853, 36146), (7502, 33019), (8162, 30349), (9434, 26257), (10769, 23002), (11501, 21538), (12826, 19313), (13706, 18073)]