205653565

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{1223}}^1$

素因数の和:1453

約数の個数: 24

約数和(自身を含む): 268790400

約数和(自身を除く): 63136835

約数列:

[1, 5, 13, 65, 169, 199, 845, 995, 1223, 2587, 6115, 12935, 15899, 33631, 79495, 168155, 206687, 243377, 1033435, 1216885, 3163901, 15819505, 41130713, 205653565]

約数ペア:

[(1, 205653565), (5, 41130713), (13, 15819505), (65, 3163901), (169, 1216885), (199, 1033435), (845, 243377), (995, 206687), (1223, 168155), (2587, 79495), (6115, 33631), (12935, 15899)]