208520810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1226593}}^1$

素因数の和:1226617

約数の個数: 16

約数和(自身を含む): 397416456

約数和(自身を除く): 188895646

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1226593, 2453186, 6132965, 12265930, 20852081, 41704162, 104260405, 208520810]

約数ペア:

[(1, 208520810), (2, 104260405), (5, 41704162), (10, 20852081), (17, 12265930), (34, 6132965), (85, 2453186), (170, 1226593)]