168887761

素因数分解:

$7^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 200840640

約数和(自身を除く): 31952879

約数列:

[1, 7, 49, 103, 109, 307, 721, 763, 2149, 5047, 5341, 11227, 15043, 31621, 33463, 78589, 221347, 234241, 550123, 1549429, 1639687, 3446689, 24126823, 168887761]

約数ペア:

[(1, 168887761), (7, 24126823), (49, 3446689), (103, 1639687), (109, 1549429), (307, 550123), (721, 234241), (763, 221347), (2149, 78589), (5047, 33463), (5341, 31621), (11227, 15043)]