2120488

素因数分解:

$2^3\times {\mathrm{401}}^1\times {\mathrm{661}}^1$

素因数の和:1068

約数の個数: 16

約数和(自身を含む): 3991860

約数和(自身を除く): 1871372

約数列:

[1, 2, 4, 8, 401, 661, 802, 1322, 1604, 2644, 3208, 5288, 265061, 530122, 1060244, 2120488]

約数ペア:

[(1, 2120488), (2, 1060244), (4, 530122), (8, 265061), (401, 5288), (661, 3208), (802, 2644), (1322, 1604)]