128897644

素因数分解:

$2^2\times {\mathrm{661}}^1\times {\mathrm{48751}}^1$

素因数の和:49416

約数の個数: 12

約数和(自身を含む): 225916768

約数和(自身を除く): 97019124

約数列:

[1, 2, 4, 661, 1322, 2644, 48751, 97502, 195004, 32224411, 64448822, 128897644]

約数ペア:

[(1, 128897644), (2, 64448822), (4, 32224411), (661, 195004), (1322, 97502), (2644, 48751)]