26278945

素因数分解:

$5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{199}}^1$

素因数の和:243

約数の個数: 40

約数和(自身を含む): 40334400

約数和(自身を除く): 14055455

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 199, 245, 343, 385, 539, 995, 1393, 1715, 2189, 2401, 2695, 3773, 6965, 9751, 10945, 12005, 15323, 18865, 26411, 48755, 68257, 76615, 107261, 132055, 341285, 477799, 536305, 750827, 2388995, 3754135, 5255789, 26278945]

約数ペア:

[(1, 26278945), (5, 5255789), (7, 3754135), (11, 2388995), (35, 750827), (49, 536305), (55, 477799), (77, 341285), (199, 132055), (245, 107261), (343, 76615), (385, 68257), (539, 48755), (995, 26411), (1393, 18865), (1715, 15323), (2189, 12005), (2401, 10945), (2695, 9751), (3773, 6965)]