208658512

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{318077}}^1$

素因数の和:318126

約数の個数: 20

約数和(自身を含む): 414137556

約数和(自身を除く): 205479044

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 318077, 636154, 1272308, 2544616, 5089232, 13041157, 26082314, 52164628, 104329256, 208658512]

約数ペア:

[(1, 208658512), (2, 104329256), (4, 52164628), (8, 26082314), (16, 13041157), (41, 5089232), (82, 2544616), (164, 1272308), (328, 636154), (656, 318077)]