28849015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{839}}^1$

素因数の和:903

約数の個数: 24

約数和(自身を含む): 39019680

約数和(自身を除く): 10170665

約数列:

[1, 5, 13, 23, 65, 115, 299, 529, 839, 1495, 2645, 4195, 6877, 10907, 19297, 34385, 54535, 96485, 250861, 443831, 1254305, 2219155, 5769803, 28849015]

約数ペア:

[(1, 28849015), (5, 5769803), (13, 2219155), (23, 1254305), (65, 443831), (115, 250861), (299, 96485), (529, 54535), (839, 34385), (1495, 19297), (2645, 10907), (4195, 6877)]