1328004

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{997}}^1$

素因数の和:1044

約数の個数: 36

約数和(自身を含む): 3451084

約数和(自身を除く): 2123080

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 997, 1332, 1994, 2991, 3988, 5982, 8973, 11964, 17946, 35892, 36889, 73778, 110667, 147556, 221334, 332001, 442668, 664002, 1328004]

約数ペア:

[(1, 1328004), (2, 664002), (3, 442668), (4, 332001), (6, 221334), (9, 147556), (12, 110667), (18, 73778), (36, 36889), (37, 35892), (74, 17946), (111, 11964), (148, 8973), (222, 5982), (333, 3988), (444, 2991), (666, 1994), (997, 1332)]