201531308

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{416387}}^1$

素因数の和:416413

約数の個数: 18

約数和(自身を含む): 387657228

約数和(自身を除く): 186125920

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 416387, 832774, 1665548, 4580257, 9160514, 18321028, 50382827, 100765654, 201531308]

約数ペア:

[(1, 201531308), (2, 100765654), (4, 50382827), (11, 18321028), (22, 9160514), (44, 4580257), (121, 1665548), (242, 832774), (484, 416387)]