208023739

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{1223}}^1$

素因数の和:1335

約数の個数: 24

約数和(自身を含む): 265206528

約数和(自身を除く): 57182789

約数列:

[1, 7, 11, 47, 77, 329, 517, 1223, 2209, 3619, 8561, 13453, 15463, 24299, 57481, 94171, 170093, 402367, 632291, 2701607, 4426037, 18911249, 29717677, 208023739]

約数ペア:

[(1, 208023739), (7, 29717677), (11, 18911249), (47, 4426037), (77, 2701607), (329, 632291), (517, 402367), (1223, 170093), (2209, 94171), (3619, 57481), (8561, 24299), (13453, 15463)]