66761872

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{9419}}^1$

素因数の和:9870

約数の個数: 20

約数和(自身を含む): 129656880

約数和(自身を除く): 62895008

約数列:

[1, 2, 4, 8, 16, 443, 886, 1772, 3544, 7088, 9419, 18838, 37676, 75352, 150704, 4172617, 8345234, 16690468, 33380936, 66761872]

約数ペア:

[(1, 66761872), (2, 33380936), (4, 16690468), (8, 8345234), (16, 4172617), (443, 150704), (886, 75352), (1772, 37676), (3544, 18838), (7088, 9419)]