40405001

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23369}}^1$

素因数の和:23408

約数の個数: 16

約数和(自身を含む): 52348800

約数和(自身を除く): 11943799

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 23369, 163583, 303797, 444011, 2126579, 3108077, 5772143, 40405001]

約数ペア:

[(1, 40405001), (7, 5772143), (13, 3108077), (19, 2126579), (91, 444011), (133, 303797), (247, 163583), (1729, 23369)]