1388892095

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{881}}^1\times {\mathrm{1091}}^1$

素因数の和:2011

約数の個数: 24

約数和(自身を含む): 1774111248

約数和(自身を除く): 385219153

約数列:

[1, 5, 17, 85, 289, 881, 1091, 1445, 4405, 5455, 14977, 18547, 74885, 92735, 254609, 315299, 961171, 1273045, 1576495, 4805855, 16339907, 81699535, 277778419, 1388892095]

約数ペア:

[(1, 1388892095), (5, 277778419), (17, 81699535), (85, 16339907), (289, 4805855), (881, 1576495), (1091, 1273045), (1445, 961171), (4405, 315299), (5455, 254609), (14977, 92735), (18547, 74885)]