209213641

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{32381}}^1$

素因数の和:32472

約数の個数: 16

約数和(自身を含む): 261128448

約数和(自身を除く): 51914807

約数列:

[1, 7, 13, 71, 91, 497, 923, 6461, 32381, 226667, 420953, 2299051, 2946671, 16093357, 29887663, 209213641]

約数ペア:

[(1, 209213641), (7, 29887663), (13, 16093357), (71, 2946671), (91, 2299051), (497, 420953), (923, 226667), (6461, 32381)]