208325999

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:575

約数の個数: 24

約数和(自身を含む): 247766688

約数和(自身を除く): 39440689

約数列:

[1, 7, 49, 71, 233, 257, 497, 1631, 1799, 3479, 11417, 12593, 16543, 18247, 59881, 115801, 127729, 419167, 810607, 894103, 2934169, 4251551, 29760857, 208325999]

約数ペア:

[(1, 208325999), (7, 29760857), (49, 4251551), (71, 2934169), (233, 894103), (257, 810607), (497, 419167), (1631, 127729), (1799, 115801), (3479, 59881), (11417, 18247), (12593, 16543)]