29991335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3923}}^1$

素因数の和:4078

約数の個数: 16

約数和(自身を含む): 39553920

約数和(自身を除く): 9562585

約数列:

[1, 5, 11, 55, 139, 695, 1529, 3923, 7645, 19615, 43153, 215765, 545297, 2726485, 5998267, 29991335]

約数ペア:

[(1, 29991335), (5, 5998267), (11, 2726485), (55, 545297), (139, 215765), (695, 43153), (1529, 19615), (3923, 7645)]