12945005

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 16087680

約数和(自身を除く): 3142675

約数列:

[1, 5, 37, 167, 185, 419, 835, 2095, 6179, 15503, 30895, 69973, 77515, 349865, 2589001, 12945005]

約数ペア:

[(1, 12945005), (5, 2589001), (37, 349865), (167, 77515), (185, 69973), (419, 30895), (835, 15503), (2095, 6179)]