12431390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{17509}}^1$

素因数の和:17587

約数の個数: 16

約数和(自身を含む): 22692960

約数和(自身を除く): 10261570

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 17509, 35018, 87545, 175090, 1243139, 2486278, 6215695, 12431390]

約数ペア:

[(1, 12431390), (2, 6215695), (5, 2486278), (10, 1243139), (71, 175090), (142, 87545), (355, 35018), (710, 17509)]