27938384

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{42589}}^1$

素因数の和:42638

約数の個数: 20

約数和(自身を含む): 55452180

約数和(自身を除く): 27513796

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 42589, 85178, 170356, 340712, 681424, 1746149, 3492298, 6984596, 13969192, 27938384]

約数ペア:

[(1, 27938384), (2, 13969192), (4, 6984596), (8, 3492298), (16, 1746149), (41, 681424), (82, 340712), (164, 170356), (328, 85178), (656, 42589)]