289944796

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{665011}}^1$

素因数の和:665124

約数の個数: 12

約数和(自身を含む): 512059240

約数和(自身を除く): 222114444

約数列:

[1, 2, 4, 109, 218, 436, 665011, 1330022, 2660044, 72486199, 144972398, 289944796]

約数ペア:

[(1, 289944796), (2, 144972398), (4, 72486199), (109, 2660044), (218, 1330022), (436, 665011)]