428928325

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{129001}}^1$

素因数の和:129037

約数の個数: 24

約数和(自身を含む): 639849920

約数和(自身を除く): 210921595

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 129001, 645005, 903007, 2451019, 3225025, 4515035, 12255095, 17157133, 22575175, 61275475, 85785665, 428928325]

約数ペア:

[(1, 428928325), (5, 85785665), (7, 61275475), (19, 22575175), (25, 17157133), (35, 12255095), (95, 4515035), (133, 3225025), (175, 2451019), (475, 903007), (665, 645005), (3325, 129001)]