13119515

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:626

約数の個数: 16

約数和(自身を含む): 16262400

約数和(自身を除く): 3142885

約数列:

[1, 5, 43, 139, 215, 439, 695, 2195, 5977, 18877, 29885, 61021, 94385, 305105, 2623903, 13119515]

約数ペア:

[(1, 13119515), (5, 2623903), (43, 305105), (139, 94385), (215, 61021), (439, 29885), (695, 18877), (2195, 5977)]