13156087

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 15455232

約数和(自身を除く): 2299145

約数列:

[1, 7, 71, 103, 257, 497, 721, 1799, 7313, 18247, 26471, 51191, 127729, 185297, 1879441, 13156087]

約数ペア:

[(1, 13156087), (7, 1879441), (71, 185297), (103, 127729), (257, 51191), (497, 26471), (721, 18247), (1799, 7313)]