2660004

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2044

約数の個数: 36

約数和(自身を含む): 6909084

約数和(自身を除く): 4249080

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 1997, 3994, 5991, 7988, 11982, 17973, 23964, 35946, 71892, 73889, 147778, 221667, 295556, 443334, 665001, 886668, 1330002, 2660004]

約数ペア:

[(1, 2660004), (2, 1330002), (3, 886668), (4, 665001), (6, 443334), (9, 295556), (12, 221667), (18, 147778), (36, 73889), (37, 71892), (74, 35946), (111, 23964), (148, 17973), (222, 11982), (333, 7988), (444, 5991), (666, 3994), (1332, 1997)]