2662668

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2046

約数の個数: 36

約数和(自身を含む): 6916000

約数和(自身を除く): 4253332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 1999, 3998, 5997, 7996, 11994, 17991, 23988, 35982, 71964, 73963, 147926, 221889, 295852, 443778, 665667, 887556, 1331334, 2662668]

約数ペア:

[(1, 2662668), (2, 1331334), (3, 887556), (4, 665667), (6, 443778), (9, 295852), (12, 221889), (18, 147926), (36, 73963), (37, 71964), (74, 35982), (111, 23988), (148, 17991), (222, 11994), (333, 7996), (444, 5997), (666, 3998), (1332, 1999)]