1640874484

素因数分解:

$2^2\times {\mathrm{1871}}^1\times {\mathrm{219251}}^1$

素因数の和:221126

約数の個数: 12

約数和(自身を含む): 2873078208

約数和(自身を除く): 1232203724

約数列:

[1, 2, 4, 1871, 3742, 7484, 219251, 438502, 877004, 410218621, 820437242, 1640874484]

約数ペア:

[(1, 1640874484), (2, 820437242), (4, 410218621), (1871, 877004), (3742, 438502), (7484, 219251)]