140659988

素因数分解:

$2^2\times 7^2\times {\mathrm{717653}}^1$

素因数の和:717671

約数の個数: 18

約数和(自身を含む): 286343946

約数和(自身を除く): 145683958

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 717653, 1435306, 2870612, 5023571, 10047142, 20094284, 35164997, 70329994, 140659988]

約数ペア:

[(1, 140659988), (2, 70329994), (4, 35164997), (7, 20094284), (14, 10047142), (28, 5023571), (49, 2870612), (98, 1435306), (196, 717653)]