12691568

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{4153}}^1$

素因数の和:4352

約数の個数: 20

約数和(自身を含む): 24724608

約数和(自身を除く): 12033040

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 4153, 8306, 16612, 33224, 66448, 793223, 1586446, 3172892, 6345784, 12691568]

約数ペア:

[(1, 12691568), (2, 6345784), (4, 3172892), (8, 1586446), (16, 793223), (191, 66448), (382, 33224), (764, 16612), (1528, 8306), (3056, 4153)]