12991344

素因数分解:

$2^4\times 3^1\times {\mathrm{270653}}^1$

素因数の和:270664

約数の個数: 20

約数和(自身を含む): 33561096

約数和(自身を除く): 20569752

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 270653, 541306, 811959, 1082612, 1623918, 2165224, 3247836, 4330448, 6495672, 12991344]

約数ペア:

[(1, 12991344), (2, 6495672), (3, 4330448), (4, 3247836), (6, 2165224), (8, 1623918), (12, 1082612), (16, 811959), (24, 541306), (48, 270653)]