7220689

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 9028800

約数和(自身を除く): 1808111

約数列:

[1, 7, 23, 43, 49, 149, 161, 301, 989, 1043, 1127, 2107, 3427, 6407, 6923, 7301, 23989, 44849, 48461, 147361, 167923, 313943, 1031527, 7220689]

約数ペア:

[(1, 7220689), (7, 1031527), (23, 313943), (43, 167923), (49, 147361), (149, 48461), (161, 44849), (301, 23989), (989, 7301), (1043, 6923), (1127, 6407), (2107, 3427)]