161695775

素因数分解:

$5^2\times {\mathrm{971}}^1\times {\mathrm{6661}}^1$

素因数の和:7642

約数の個数: 12

約数和(自身を含む): 200739384

約数和(自身を除く): 39043609

約数列:

[1, 5, 25, 971, 4855, 6661, 24275, 33305, 166525, 6467831, 32339155, 161695775]

約数ペア:

[(1, 161695775), (5, 32339155), (25, 6467831), (971, 166525), (4855, 33305), (6661, 24275)]