31720481

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{769}}^1$

素因数の和:968

約数の個数: 16

約数和(自身を含む): 36220800

約数和(自身を除く): 4500319

約数列:

[1, 13, 19, 167, 247, 769, 2171, 3173, 9997, 14611, 41249, 128423, 189943, 1669499, 2440037, 31720481]

約数ペア:

[(1, 31720481), (13, 2440037), (19, 1669499), (167, 189943), (247, 128423), (769, 41249), (2171, 14611), (3173, 9997)]