687966384

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{257}}^2$

素因数の和:563

約数の個数: 120

約数和(自身を含む): 2104849408

約数和(自身を除く): 1416883024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 257, 336, 372, 434, 496, 514, 651, 744, 771, 868, 1028, 1302, 1488, 1542, 1736, 1799, 2056, 2604, 3084, 3472, 3598, 4112, 5208, 5397, 6168, 7196, 7967, 10416, 10794, 12336, 14392, 15934, 21588, 23901, 28784, 31868, 43176, 47802, 55769, 63736, 66049, 86352, 95604, 111538, 127472, 132098, 167307, 191208, 198147, 223076, 264196, 334614, 382416, 396294, 446152, 462343, 528392, 669228, 792588, 892304, 924686, 1056784, 1338456, 1387029, 1585176, 1849372, 2047519, 2676912, 2774058, 3170352, 3698744, 4095038, 5548116, 6142557, 7397488, 8190076, 11096232, 12285114, 14332633, 16380152, 22192464, 24570228, 28665266, 32760304, 42997899, 49140456, 57330532, 85995798, 98280912, 114661064, 171991596, 229322128, 343983192, 687966384]

約数ペア:

[(1, 687966384), (2, 343983192), (3, 229322128), (4, 171991596), (6, 114661064), (7, 98280912), (8, 85995798), (12, 57330532), (14, 49140456), (16, 42997899), (21, 32760304), (24, 28665266), (28, 24570228), (31, 22192464), (42, 16380152), (48, 14332633), (56, 12285114), (62, 11096232), (84, 8190076), (93, 7397488), (112, 6142557), (124, 5548116), (168, 4095038), (186, 3698744), (217, 3170352), (248, 2774058), (257, 2676912), (336, 2047519), (372, 1849372), (434, 1585176), (496, 1387029), (514, 1338456), (651, 1056784), (744, 924686), (771, 892304), (868, 792588), (1028, 669228), (1302, 528392), (1488, 462343), (1542, 446152), (1736, 396294), (1799, 382416), (2056, 334614), (2604, 264196), (3084, 223076), (3472, 198147), (3598, 191208), (4112, 167307), (5208, 132098), (5397, 127472), (6168, 111538), (7196, 95604), (7967, 86352), (10416, 66049), (10794, 63736), (12336, 55769), (14392, 47802), (15934, 43176), (21588, 31868), (23901, 28784)]