199921976

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{806137}}^1$

素因数の和:806174

約数の個数: 16

約数和(自身を含む): 386946240

約数和(自身を除く): 187024264

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 806137, 1612274, 3224548, 6449096, 24990247, 49980494, 99960988, 199921976]

約数ペア:

[(1, 199921976), (2, 99960988), (4, 49980494), (8, 24990247), (31, 6449096), (62, 3224548), (124, 1612274), (248, 806137)]