66647231

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{1087}}^1$

素因数の和:1574

約数の個数: 16

約数和(自身を含む): 80424960

約数和(自身を除く): 13777729

約数列:

[1, 7, 19, 133, 461, 1087, 3227, 7609, 8759, 20653, 61313, 144571, 501107, 3507749, 9521033, 66647231]

約数ペア:

[(1, 66647231), (7, 9521033), (19, 3507749), (133, 501107), (461, 144571), (1087, 61313), (3227, 20653), (7609, 8759)]