243969874

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{20707}}^1$

素因数の和:20889

約数の個数: 16

約数和(自身を含む): 377216928

約数和(自身を除く): 133247054

約数列:

[1, 2, 43, 86, 137, 274, 5891, 11782, 20707, 41414, 890401, 1780802, 2836859, 5673718, 121984937, 243969874]

約数ペア:

[(1, 243969874), (2, 121984937), (43, 5673718), (86, 2836859), (137, 1780802), (274, 890401), (5891, 41414), (11782, 20707)]