223840112

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{325349}}^1$

素因数の和:325400

約数の個数: 20

約数和(自身を含む): 443777400

約数和(自身を除く): 219937288

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 325349, 650698, 1301396, 2602792, 5205584, 13990007, 27980014, 55960028, 111920056, 223840112]

約数ペア:

[(1, 223840112), (2, 111920056), (4, 55960028), (8, 27980014), (16, 13990007), (43, 5205584), (86, 2602792), (172, 1301396), (344, 650698), (688, 325349)]