12640344

素因数分解:

$2^3\times 3^1\times {\mathrm{526681}}^1$

素因数の和:526690

約数の個数: 16

約数和(自身を含む): 31600920

約数和(自身を除く): 18960576

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 526681, 1053362, 1580043, 2106724, 3160086, 4213448, 6320172, 12640344]

約数ペア:

[(1, 12640344), (2, 6320172), (3, 4213448), (4, 3160086), (6, 2106724), (8, 1580043), (12, 1053362), (24, 526681)]