66899609

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{1471}}^1$

素因数の和:1640

約数の個数: 16

約数和(自身を含む): 78428160

約数和(自身を除く): 11528551

約数列:

[1, 7, 73, 89, 511, 623, 1471, 6497, 10297, 45479, 107383, 130919, 751681, 916433, 9557087, 66899609]

約数ペア:

[(1, 66899609), (7, 9557087), (73, 916433), (89, 751681), (511, 130919), (623, 107383), (1471, 45479), (6497, 10297)]