201909988

素因数分解:

$2^2\times 7^2\times {\mathrm{1030153}}^1$

素因数の和:1030171

約数の個数: 18

約数和(自身を含む): 411031446

約数和(自身を除く): 209121458

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1030153, 2060306, 4120612, 7211071, 14422142, 28844284, 50477497, 100954994, 201909988]

約数ペア:

[(1, 201909988), (2, 100954994), (4, 50477497), (7, 28844284), (14, 14422142), (28, 7211071), (49, 4120612), (98, 2060306), (196, 1030153)]