249615197

素因数分解:

${\mathrm{13}}^2\times {\mathrm{71}}^2\times {\mathrm{293}}^1$

素因数の和:461

約数の個数: 18

約数和(自身を含む): 275089626

約数和(自身を除く): 25474429

約数列:

[1, 13, 71, 169, 293, 923, 3809, 5041, 11999, 20803, 49517, 65533, 270439, 851929, 1477013, 3515707, 19201169, 249615197]

約数ペア:

[(1, 249615197), (13, 19201169), (71, 3515707), (169, 1477013), (293, 851929), (923, 270439), (3809, 65533), (5041, 49517), (11999, 20803)]