15981288

素因数分解:

$2^3\times 3^1\times {\mathrm{257}}^1\times {\mathrm{2591}}^1$

素因数の和:2857

約数の個数: 32

約数和(自身を含む): 40124160

約数和(自身を除く): 24142872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 257, 514, 771, 1028, 1542, 2056, 2591, 3084, 5182, 6168, 7773, 10364, 15546, 20728, 31092, 62184, 665887, 1331774, 1997661, 2663548, 3995322, 5327096, 7990644, 15981288]

約数ペア:

[(1, 15981288), (2, 7990644), (3, 5327096), (4, 3995322), (6, 2663548), (8, 1997661), (12, 1331774), (24, 665887), (257, 62184), (514, 31092), (771, 20728), (1028, 15546), (1542, 10364), (2056, 7773), (2591, 6168), (3084, 5182)]