289968329

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{1063}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 356610240

約数和(自身を除く): 66641911

約数列:

[1, 7, 19, 49, 133, 293, 931, 1063, 2051, 5567, 7441, 14357, 20197, 38969, 52087, 141379, 272783, 311459, 989653, 2180213, 5917721, 15261491, 41424047, 289968329]

約数ペア:

[(1, 289968329), (7, 41424047), (19, 15261491), (49, 5917721), (133, 2180213), (293, 989653), (931, 311459), (1063, 272783), (2051, 141379), (5567, 52087), (7441, 38969), (14357, 20197)]