26865475

素因数分解:

$5^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:285

約数の個数: 48

約数和(自身を含む): 42011200

約数和(自身を除く): 15145725

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 241, 245, 325, 343, 455, 637, 1205, 1225, 1687, 1715, 2275, 3133, 3185, 4459, 6025, 8435, 8575, 11809, 15665, 15925, 21931, 22295, 42175, 59045, 78325, 82663, 109655, 111475, 153517, 295225, 413315, 548275, 767585, 1074619, 2066575, 3837925, 5373095, 26865475]

約数ペア:

[(1, 26865475), (5, 5373095), (7, 3837925), (13, 2066575), (25, 1074619), (35, 767585), (49, 548275), (65, 413315), (91, 295225), (175, 153517), (241, 111475), (245, 109655), (325, 82663), (343, 78325), (455, 59045), (637, 42175), (1205, 22295), (1225, 21931), (1687, 15925), (1715, 15665), (2275, 11809), (3133, 8575), (3185, 8435), (4459, 6025)]