199880048

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{72211}}^1$

素因数の和:72392

約数の個数: 20

約数和(自身を含む): 389511528

約数和(自身を除く): 189631480

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 72211, 144422, 288844, 577688, 1155376, 12492503, 24985006, 49970012, 99940024, 199880048]

約数ペア:

[(1, 199880048), (2, 99940024), (4, 49970012), (8, 24985006), (16, 12492503), (173, 1155376), (346, 577688), (692, 288844), (1384, 144422), (2768, 72211)]