208990076

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{661361}}^1$

素因数の和:661444

約数の個数: 12

約数和(自身を含む): 370362720

約数和(自身を除く): 161372644

約数列:

[1, 2, 4, 79, 158, 316, 661361, 1322722, 2645444, 52247519, 104495038, 208990076]

約数ペア:

[(1, 208990076), (2, 104495038), (4, 52247519), (79, 2645444), (158, 1322722), (316, 661361)]