664672736

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:297

約数の個数: 192

約数和(自身を含む): 1716019200

約数和(自身を除く): 1051346464

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 37, 52, 56, 62, 74, 91, 104, 112, 124, 148, 182, 199, 208, 217, 224, 248, 259, 296, 364, 398, 403, 416, 434, 481, 496, 518, 592, 728, 796, 806, 868, 962, 992, 1036, 1147, 1184, 1393, 1456, 1592, 1612, 1736, 1924, 2072, 2294, 2587, 2786, 2821, 2912, 3184, 3224, 3367, 3472, 3848, 4144, 4588, 5174, 5572, 5642, 6169, 6368, 6448, 6734, 6944, 7363, 7696, 8029, 8288, 9176, 10348, 11144, 11284, 12338, 12896, 13468, 14726, 14911, 15392, 16058, 18109, 18352, 20696, 22288, 22568, 24676, 26936, 29452, 29822, 32116, 36218, 36704, 41392, 43183, 44576, 45136, 49352, 51541, 53872, 58904, 59644, 64232, 72436, 80197, 82784, 86366, 90272, 95719, 98704, 103082, 104377, 107744, 117808, 119288, 128464, 144872, 160394, 172732, 191438, 197408, 206164, 208754, 228253, 235616, 238576, 256928, 289744, 320788, 345464, 382876, 412328, 417508, 456506, 477152, 561379, 579488, 641576, 670033, 690928, 765752, 824656, 835016, 913012, 1122758, 1283152, 1340066, 1381856, 1531504, 1597771, 1649312, 1670032, 1826024, 2245516, 2566304, 2680132, 2967289, 3063008, 3195542, 3340064, 3652048, 4491032, 5360264, 5934578, 6391084, 7304096, 8982064, 10720528, 11869156, 12782168, 17964128, 20771023, 21441056, 23738312, 25564336, 41542046, 47476624, 51128672, 83084092, 94953248, 166168184, 332336368, 664672736]

約数ペア:

[(1, 664672736), (2, 332336368), (4, 166168184), (7, 94953248), (8, 83084092), (13, 51128672), (14, 47476624), (16, 41542046), (26, 25564336), (28, 23738312), (31, 21441056), (32, 20771023), (37, 17964128), (52, 12782168), (56, 11869156), (62, 10720528), (74, 8982064), (91, 7304096), (104, 6391084), (112, 5934578), (124, 5360264), (148, 4491032), (182, 3652048), (199, 3340064), (208, 3195542), (217, 3063008), (224, 2967289), (248, 2680132), (259, 2566304), (296, 2245516), (364, 1826024), (398, 1670032), (403, 1649312), (416, 1597771), (434, 1531504), (481, 1381856), (496, 1340066), (518, 1283152), (592, 1122758), (728, 913012), (796, 835016), (806, 824656), (868, 765752), (962, 690928), (992, 670033), (1036, 641576), (1147, 579488), (1184, 561379), (1393, 477152), (1456, 456506), (1592, 417508), (1612, 412328), (1736, 382876), (1924, 345464), (2072, 320788), (2294, 289744), (2587, 256928), (2786, 238576), (2821, 235616), (2912, 228253), (3184, 208754), (3224, 206164), (3367, 197408), (3472, 191438), (3848, 172732), (4144, 160394), (4588, 144872), (5174, 128464), (5572, 119288), (5642, 117808), (6169, 107744), (6368, 104377), (6448, 103082), (6734, 98704), (6944, 95719), (7363, 90272), (7696, 86366), (8029, 82784), (8288, 80197), (9176, 72436), (10348, 64232), (11144, 59644), (11284, 58904), (12338, 53872), (12896, 51541), (13468, 49352), (14726, 45136), (14911, 44576), (15392, 43183), (16058, 41392), (18109, 36704), (18352, 36218), (20696, 32116), (22288, 29822), (22568, 29452), (24676, 26936)]