12845915

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 15918336

約数和(自身を除く): 3072421

約数列:

[1, 5, 41, 205, 223, 281, 1115, 1405, 9143, 11521, 45715, 57605, 62663, 313315, 2569183, 12845915]

約数ペア:

[(1, 12845915), (5, 2569183), (41, 313315), (205, 62663), (223, 57605), (281, 45715), (1115, 11521), (1405, 9143)]