218971216

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{104471}}^1$

素因数の和:104610

約数の個数: 20

約数和(自身を含む): 427499424

約数和(自身を除く): 208528208

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 104471, 208942, 417884, 835768, 1671536, 13685701, 27371402, 54742804, 109485608, 218971216]

約数ペア:

[(1, 218971216), (2, 109485608), (4, 54742804), (8, 27371402), (16, 13685701), (131, 1671536), (262, 835768), (524, 417884), (1048, 208942), (2096, 104471)]