208903578

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2678251}}^1$

素因数の和:2678269

約数の個数: 16

約数和(自身を含む): 449946336

約数和(自身を除く): 241042758

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 2678251, 5356502, 8034753, 16069506, 34817263, 69634526, 104451789, 208903578]

約数ペア:

[(1, 208903578), (2, 104451789), (3, 69634526), (6, 34817263), (13, 16069506), (26, 8034753), (39, 5356502), (78, 2678251)]