400051988

素因数分解:

$2^2\times 7^1\times {\mathrm{3571}}^1\times {\mathrm{4001}}^1$

素因数の和:7583

約数の個数: 24

約数和(自身を含む): 800528064

約数和(自身を除く): 400476076

約数列:

[1, 2, 4, 7, 14, 28, 3571, 4001, 7142, 8002, 14284, 16004, 24997, 28007, 49994, 56014, 99988, 112028, 14287571, 28575142, 57150284, 100012997, 200025994, 400051988]

約数ペア:

[(1, 400051988), (2, 200025994), (4, 100012997), (7, 57150284), (14, 28575142), (28, 14287571), (3571, 112028), (4001, 99988), (7142, 56014), (8002, 49994), (14284, 28007), (16004, 24997)]