208049513

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1\times {\mathrm{2791}}^1$

素因数の和:3284

約数の個数: 16

約数和(自身を含む): 248733696

約数和(自身を除く): 40684183

約数列:

[1, 7, 23, 161, 463, 2791, 3241, 10649, 19537, 64193, 74543, 449351, 1292233, 9045631, 29721359, 208049513]

約数ペア:

[(1, 208049513), (7, 29721359), (23, 9045631), (161, 1292233), (463, 449351), (2791, 74543), (3241, 64193), (10649, 19537)]