645744006

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{505277}}^1$

素因数の和:505356

約数の個数: 24

約数和(自身を含む): 1418820624

約数和(自身を除く): 773076618

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 505277, 1010554, 1515831, 3031662, 4547493, 9094986, 35874667, 71749334, 107624001, 215248002, 322872003, 645744006]

約数ペア:

[(1, 645744006), (2, 322872003), (3, 215248002), (6, 107624001), (9, 71749334), (18, 35874667), (71, 9094986), (142, 4547493), (213, 3031662), (426, 1515831), (639, 1010554), (1278, 505277)]