663632655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 1353646080

約数和(自身を除く): 690013425

約数列:

[1, 3, 5, 7, 15, 17, 21, 31, 35, 51, 67, 85, 93, 105, 119, 155, 179, 201, 217, 255, 335, 357, 465, 469, 527, 537, 595, 651, 895, 1005, 1085, 1139, 1253, 1407, 1581, 1785, 2077, 2345, 2635, 2685, 3043, 3255, 3417, 3689, 3759, 5549, 5695, 6231, 6265, 7035, 7905, 7973, 9129, 10385, 11067, 11993, 14539, 15215, 16647, 17085, 18445, 18795, 21301, 23919, 27745, 31155, 35309, 35979, 38843, 39865, 43617, 45645, 55335, 59965, 63903, 72695, 83235, 83951, 94333, 105927, 106505, 116529, 119595, 176545, 179895, 194215, 203881, 218085, 247163, 251853, 282999, 319515, 371783, 419755, 471665, 529635, 582645, 611643, 660331, 741489, 1019405, 1115349, 1235815, 1259265, 1414995, 1427167, 1858915, 1980993, 2602481, 3058215, 3301655, 3707445, 4281501, 5576745, 6320311, 7135835, 7807443, 9904965, 13012405, 18960933, 21407505, 31601555, 39037215, 44242177, 94804665, 132726531, 221210885, 663632655]

約数ペア:

[(1, 663632655), (3, 221210885), (5, 132726531), (7, 94804665), (15, 44242177), (17, 39037215), (21, 31601555), (31, 21407505), (35, 18960933), (51, 13012405), (67, 9904965), (85, 7807443), (93, 7135835), (105, 6320311), (119, 5576745), (155, 4281501), (179, 3707445), (201, 3301655), (217, 3058215), (255, 2602481), (335, 1980993), (357, 1858915), (465, 1427167), (469, 1414995), (527, 1259265), (537, 1235815), (595, 1115349), (651, 1019405), (895, 741489), (1005, 660331), (1085, 611643), (1139, 582645), (1253, 529635), (1407, 471665), (1581, 419755), (1785, 371783), (2077, 319515), (2345, 282999), (2635, 251853), (2685, 247163), (3043, 218085), (3255, 203881), (3417, 194215), (3689, 179895), (3759, 176545), (5549, 119595), (5695, 116529), (6231, 106505), (6265, 105927), (7035, 94333), (7905, 83951), (7973, 83235), (9129, 72695), (10385, 63903), (11067, 59965), (11993, 55335), (14539, 45645), (15215, 43617), (16647, 39865), (17085, 38843), (18445, 35979), (18795, 35309), (21301, 31155), (23919, 27745)]