12687128944

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{21881}}^1$

素因数の和:22094

約数の個数: 80

約数和(自身を含む): 29174132736

約数和(自身を除く): 16487003792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 167, 217, 248, 334, 434, 496, 668, 868, 1169, 1336, 1736, 2338, 2672, 3472, 4676, 5177, 9352, 10354, 18704, 20708, 21881, 36239, 41416, 43762, 72478, 82832, 87524, 144956, 153167, 175048, 289912, 306334, 350096, 579824, 612668, 678311, 1225336, 1356622, 2450672, 2713244, 3654127, 4748177, 5426488, 7308254, 9496354, 10852976, 14616508, 18992708, 25578889, 29233016, 37985416, 51157778, 58466032, 75970832, 102315556, 113277937, 204631112, 226555874, 409262224, 453111748, 792945559, 906223496, 1585891118, 1812446992, 3171782236, 6343564472, 12687128944]

約数ペア:

[(1, 12687128944), (2, 6343564472), (4, 3171782236), (7, 1812446992), (8, 1585891118), (14, 906223496), (16, 792945559), (28, 453111748), (31, 409262224), (56, 226555874), (62, 204631112), (112, 113277937), (124, 102315556), (167, 75970832), (217, 58466032), (248, 51157778), (334, 37985416), (434, 29233016), (496, 25578889), (668, 18992708), (868, 14616508), (1169, 10852976), (1336, 9496354), (1736, 7308254), (2338, 5426488), (2672, 4748177), (3472, 3654127), (4676, 2713244), (5177, 2450672), (9352, 1356622), (10354, 1225336), (18704, 678311), (20708, 612668), (21881, 579824), (36239, 350096), (41416, 306334), (43762, 289912), (72478, 175048), (82832, 153167), (87524, 144956)]