12781264

素因数分解:

$2^4\times {\mathrm{571}}^1\times {\mathrm{1399}}^1$

素因数の和:1978

約数の個数: 20

約数和(自身を含む): 24824800

約数和(自身を除く): 12043536

約数列:

[1, 2, 4, 8, 16, 571, 1142, 1399, 2284, 2798, 4568, 5596, 9136, 11192, 22384, 798829, 1597658, 3195316, 6390632, 12781264]

約数ペア:

[(1, 12781264), (2, 6390632), (4, 3195316), (8, 1597658), (16, 798829), (571, 22384), (1142, 11192), (1399, 9136), (2284, 5596), (2798, 4568)]