8189909

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 36

約数和(自身を含む): 11015136

約数和(自身を除く): 2825227

約数列:

[1, 7, 13, 23, 43, 49, 91, 161, 169, 299, 301, 559, 637, 989, 1127, 1183, 2093, 2107, 3887, 3913, 6923, 7267, 8281, 12857, 14651, 27209, 27391, 48461, 50869, 89999, 167141, 190463, 356083, 629993, 1169987, 8189909]

約数ペア:

[(1, 8189909), (7, 1169987), (13, 629993), (23, 356083), (43, 190463), (49, 167141), (91, 89999), (161, 50869), (169, 48461), (299, 27391), (301, 27209), (559, 14651), (637, 12857), (989, 8281), (1127, 7267), (1183, 6923), (2093, 3913), (2107, 3887)]