2178727397

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{587}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 2980454400

約数和(自身を除く): 801727003

約数列:

[1, 7, 11, 19, 43, 59, 77, 133, 209, 301, 413, 473, 587, 649, 817, 1121, 1463, 2537, 3311, 4109, 4543, 5719, 6457, 7847, 8987, 11153, 12331, 17759, 25241, 27907, 34633, 45199, 48203, 62909, 78071, 86317, 122683, 176687, 195349, 242431, 277651, 337421, 380963, 479579, 530233, 658027, 858781, 1489219, 1943557, 2666741, 3357053, 3711631, 4606189, 5275369, 7238297, 10424533, 16381409, 28295161, 36927583, 50668079, 114669863, 198066127, 311246771, 2178727397]

約数ペア:

[(1, 2178727397), (7, 311246771), (11, 198066127), (19, 114669863), (43, 50668079), (59, 36927583), (77, 28295161), (133, 16381409), (209, 10424533), (301, 7238297), (413, 5275369), (473, 4606189), (587, 3711631), (649, 3357053), (817, 2666741), (1121, 1943557), (1463, 1489219), (2537, 858781), (3311, 658027), (4109, 530233), (4543, 479579), (5719, 380963), (6457, 337421), (7847, 277651), (8987, 242431), (11153, 195349), (12331, 176687), (17759, 122683), (25241, 86317), (27907, 78071), (34633, 62909), (45199, 48203)]