1239989761

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^2\times {\mathrm{17539}}^1$

素因数の和:17680

約数の個数: 12

約数和(自身を含む): 1327076400

約数和(自身を除く): 87086639

約数列:

[1, 19, 61, 1159, 3721, 17539, 70699, 333241, 1069879, 20327701, 65262619, 1239989761]

約数ペア:

[(1, 1239989761), (19, 65262619), (61, 20327701), (1159, 1069879), (3721, 333241), (17539, 70699)]