15440815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1709}}^1$

素因数の和:1866

約数の個数: 16

約数和(自身を含む): 20109600

約数和(自身を除く): 4668785

約数列:

[1, 5, 13, 65, 139, 695, 1709, 1807, 8545, 9035, 22217, 111085, 237551, 1187755, 3088163, 15440815]

約数ペア:

[(1, 15440815), (5, 3088163), (13, 1187755), (65, 237551), (139, 111085), (695, 22217), (1709, 9035), (1807, 8545)]