667557968

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:302

約数の個数: 180

約数和(自身を含む): 1714640256

約数和(自身を除く): 1047082288

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 49, 56, 62, 77, 88, 98, 112, 121, 124, 154, 176, 196, 217, 227, 242, 248, 308, 341, 392, 434, 454, 484, 496, 539, 616, 682, 784, 847, 868, 908, 968, 1078, 1232, 1364, 1519, 1589, 1694, 1736, 1816, 1936, 2156, 2387, 2497, 2728, 3038, 3178, 3388, 3472, 3632, 3751, 4312, 4774, 4994, 5456, 5929, 6076, 6356, 6776, 7037, 7502, 8624, 9548, 9988, 11123, 11858, 12152, 12712, 13552, 14074, 15004, 16709, 17479, 19096, 19976, 22246, 23716, 24304, 25424, 26257, 27467, 28148, 30008, 33418, 34958, 38192, 39952, 44492, 47432, 49259, 52514, 54934, 56296, 60016, 66836, 69916, 77407, 88984, 94864, 98518, 105028, 109868, 112592, 122353, 133672, 139832, 154814, 177968, 183799, 192269, 197036, 210056, 219736, 244706, 267344, 279664, 309628, 344813, 367598, 384538, 394072, 420112, 439472, 489412, 541849, 619256, 689626, 735196, 769076, 788144, 851477, 978824, 1083698, 1238512, 1345883, 1379252, 1470392, 1538152, 1702954, 1957648, 2167396, 2691766, 2758504, 2940784, 3076304, 3405908, 3792943, 4334792, 5383532, 5517008, 5960339, 6811816, 7585886, 8669584, 10767064, 11920678, 13623632, 15171772, 21534128, 23841356, 30343544, 41722373, 47682712, 60687088, 83444746, 95365424, 166889492, 333778984, 667557968]

約数ペア:

[(1, 667557968), (2, 333778984), (4, 166889492), (7, 95365424), (8, 83444746), (11, 60687088), (14, 47682712), (16, 41722373), (22, 30343544), (28, 23841356), (31, 21534128), (44, 15171772), (49, 13623632), (56, 11920678), (62, 10767064), (77, 8669584), (88, 7585886), (98, 6811816), (112, 5960339), (121, 5517008), (124, 5383532), (154, 4334792), (176, 3792943), (196, 3405908), (217, 3076304), (227, 2940784), (242, 2758504), (248, 2691766), (308, 2167396), (341, 1957648), (392, 1702954), (434, 1538152), (454, 1470392), (484, 1379252), (496, 1345883), (539, 1238512), (616, 1083698), (682, 978824), (784, 851477), (847, 788144), (868, 769076), (908, 735196), (968, 689626), (1078, 619256), (1232, 541849), (1364, 489412), (1519, 439472), (1589, 420112), (1694, 394072), (1736, 384538), (1816, 367598), (1936, 344813), (2156, 309628), (2387, 279664), (2497, 267344), (2728, 244706), (3038, 219736), (3178, 210056), (3388, 197036), (3472, 192269), (3632, 183799), (3751, 177968), (4312, 154814), (4774, 139832), (4994, 133672), (5456, 122353), (5929, 112592), (6076, 109868), (6356, 105028), (6776, 98518), (7037, 94864), (7502, 88984), (8624, 77407), (9548, 69916), (9988, 66836), (11123, 60016), (11858, 56296), (12152, 54934), (12712, 52514), (13552, 49259), (14074, 47432), (15004, 44492), (16709, 39952), (17479, 38192), (19096, 34958), (19976, 33418), (22246, 30008), (23716, 28148), (24304, 27467), (25424, 26257)]