16740899

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 20487168

約数和(自身を除く): 3746269

約数列:

[1, 7, 31, 49, 103, 107, 217, 721, 749, 1519, 3193, 3317, 5047, 5243, 11021, 22351, 23219, 77147, 156457, 162533, 341651, 540029, 2391557, 16740899]

約数ペア:

[(1, 16740899), (7, 2391557), (31, 540029), (49, 341651), (103, 162533), (107, 156457), (217, 77147), (721, 23219), (749, 22351), (1519, 11021), (3193, 5243), (3317, 5047)]