28789085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23311}}^1$

素因数の和:23348

約数の個数: 16

約数和(自身を含む): 39164160

約数和(自身を除く): 10375075

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 23311, 116555, 303043, 442909, 1515215, 2214545, 5757817, 28789085]

約数ペア:

[(1, 28789085), (5, 5757817), (13, 2214545), (19, 1515215), (65, 442909), (95, 303043), (247, 116555), (1235, 23311)]