128385131035

素因数分解:

$5^1\times 7^2\times {\mathrm{524020943}}^1$

素因数の和:524020962

約数の個数: 12

約数和(自身を含む): 179215162848

約数和(自身を除く): 50830031813

約数列:

[1, 5, 7, 35, 49, 245, 524020943, 2620104715, 3668146601, 18340733005, 25677026207, 128385131035]

約数ペア:

[(1, 128385131035), (5, 25677026207), (7, 18340733005), (35, 3668146601), (49, 2620104715), (245, 524020943)]