1004004

素因数分解:

$2^2\times 3^2\times {\mathrm{167}}^2$

素因数の和:344

約数の個数: 27

約数和(自身を含む): 2553187

約数和(自身を除く): 1549183

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 167, 334, 501, 668, 1002, 1503, 2004, 3006, 6012, 27889, 55778, 83667, 111556, 167334, 251001, 334668, 502002, 1004004]

約数ペア:

[(1, 1004004), (2, 502002), (3, 334668), (4, 251001), (6, 167334), (9, 111556), (12, 83667), (18, 55778), (36, 27889), (167, 6012), (334, 3006), (501, 2004), (668, 1503)]