26438145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{521}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 45100800

約数和(自身を除く): 18662655

約数列:

[1, 3, 5, 15, 17, 51, 85, 199, 255, 521, 597, 995, 1563, 2605, 2985, 3383, 7815, 8857, 10149, 16915, 26571, 44285, 50745, 103679, 132855, 311037, 518395, 1555185, 1762543, 5287629, 8812715, 26438145]

約数ペア:

[(1, 26438145), (3, 8812715), (5, 5287629), (15, 1762543), (17, 1555185), (51, 518395), (85, 311037), (199, 132855), (255, 103679), (521, 50745), (597, 44285), (995, 26571), (1563, 16915), (2605, 10149), (2985, 8857), (3383, 7815)]