208378885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{291439}}^1$

素因数の和:291468

約数の個数: 16

約数和(自身を含む): 293771520

約数和(自身を除く): 85392635

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 291439, 1457195, 3205829, 3788707, 16029145, 18943535, 41675777, 208378885]

約数ペア:

[(1, 208378885), (5, 41675777), (11, 18943535), (13, 16029145), (55, 3788707), (65, 3205829), (143, 1457195), (715, 291439)]