208111490

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{507589}}^1$

素因数の和:507637

約数の個数: 16

約数和(自身を含む): 383738040

約数和(自身を除く): 175626550

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 507589, 1015178, 2537945, 5075890, 20811149, 41622298, 104055745, 208111490]

約数ペア:

[(1, 208111490), (2, 104055745), (5, 41622298), (10, 20811149), (41, 5075890), (82, 2537945), (205, 1015178), (410, 507589)]