67568641

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 82180224

約数和(自身を除く): 14611583

約数列:

[1, 7, 23, 71, 161, 257, 497, 529, 1633, 1799, 3703, 5911, 11431, 18247, 37559, 41377, 127729, 135953, 262913, 419681, 951671, 2937767, 9652663, 67568641]

約数ペア:

[(1, 67568641), (7, 9652663), (23, 2937767), (71, 951671), (161, 419681), (257, 262913), (497, 135953), (529, 127729), (1633, 41377), (1799, 37559), (3703, 18247), (5911, 11431)]