25030239

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2039

約数の個数: 32

約数和(自身を含む): 40078080

約数和(自身を除く): 15047841

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 1987, 4199, 5961, 12597, 25831, 33779, 37753, 77493, 101337, 113259, 439127, 490789, 641801, 1317381, 1472367, 1925403, 8343413, 25030239]

約数ペア:

[(1, 25030239), (3, 8343413), (13, 1925403), (17, 1472367), (19, 1317381), (39, 641801), (51, 490789), (57, 439127), (221, 113259), (247, 101337), (323, 77493), (663, 37753), (741, 33779), (969, 25831), (1987, 12597), (4199, 5961)]