889136638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{209801}}^1$

素因数の和:209979

約数の個数: 16

約数和(自身を含む): 1445116176

約数和(自身を除く): 555979538

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 209801, 419602, 2727413, 5454826, 34197563, 68395126, 444568319, 889136638]

約数ペア:

[(1, 889136638), (2, 444568319), (13, 68395126), (26, 34197563), (163, 5454826), (326, 2727413), (2119, 419602), (4238, 209801)]