1320409895

素因数分解:

$5^1\times 7^1\times {\mathrm{857}}^1\times {\mathrm{44021}}^1$

素因数の和:44890

約数の個数: 16

約数和(自身を含む): 1813002048

約数和(自身を除く): 492592153

約数列:

[1, 5, 7, 35, 857, 4285, 5999, 29995, 44021, 220105, 308147, 1540735, 37725997, 188629985, 264081979, 1320409895]

約数ペア:

[(1, 1320409895), (5, 264081979), (7, 188629985), (35, 37725997), (857, 1540735), (4285, 308147), (5999, 220105), (29995, 44021)]