7986006

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 20866560

約数和(自身を除く): 12880554

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 111, 126, 189, 222, 259, 333, 378, 518, 571, 666, 777, 999, 1142, 1554, 1713, 1998, 2331, 3426, 3997, 4662, 5139, 6993, 7994, 10278, 11991, 13986, 15417, 21127, 23982, 30834, 35973, 42254, 63381, 71946, 107919, 126762, 147889, 190143, 215838, 295778, 380286, 443667, 570429, 887334, 1140858, 1331001, 2662002, 3993003, 7986006]

約数ペア:

[(1, 7986006), (2, 3993003), (3, 2662002), (6, 1331001), (7, 1140858), (9, 887334), (14, 570429), (18, 443667), (21, 380286), (27, 295778), (37, 215838), (42, 190143), (54, 147889), (63, 126762), (74, 107919), (111, 71946), (126, 63381), (189, 42254), (222, 35973), (259, 30834), (333, 23982), (378, 21127), (518, 15417), (571, 13986), (666, 11991), (777, 10278), (999, 7994), (1142, 6993), (1554, 5139), (1713, 4662), (1998, 3997), (2331, 3426)]