208603406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{220511}}^1$

素因数の和:220567

約数の個数: 16

約数和(自身を含む): 349291008

約数和(自身を除く): 140687602

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 220511, 441022, 2425621, 4851242, 9481973, 18963946, 104301703, 208603406]

約数ペア:

[(1, 208603406), (2, 104301703), (11, 18963946), (22, 9481973), (43, 4851242), (86, 2425621), (473, 441022), (946, 220511)]