648889409

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{5381}}^1$

素因数の和:5525

約数の個数: 24

約数和(自身を含む): 795158208

約数和(自身を除く): 146268799

約数列:

[1, 7, 23, 49, 107, 161, 749, 1127, 2461, 5243, 5381, 17227, 37667, 120589, 123763, 263669, 575767, 866341, 4030369, 6064387, 13242641, 28212583, 92698487, 648889409]

約数ペア:

[(1, 648889409), (7, 92698487), (23, 28212583), (49, 13242641), (107, 6064387), (161, 4030369), (749, 866341), (1127, 575767), (2461, 263669), (5243, 123763), (5381, 120589), (17227, 37667)]