81966722

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{4679}}^1$

素因数の和:5161

約数の個数: 16

約数和(自身を含む): 129729600

約数和(自身を除く): 47762878

約数列:

[1, 2, 19, 38, 461, 922, 4679, 8759, 9358, 17518, 88901, 177802, 2157019, 4314038, 40983361, 81966722]

約数ペア:

[(1, 81966722), (2, 40983361), (19, 4314038), (38, 2157019), (461, 177802), (922, 88901), (4679, 17518), (8759, 9358)]