28532455

素因数分解:

$5^1\times 7^3\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 40550400

約数和(自身を除く): 12017945

約数列:

[1, 5, 7, 35, 49, 127, 131, 245, 343, 635, 655, 889, 917, 1715, 4445, 4585, 6223, 6419, 16637, 31115, 32095, 43561, 44933, 83185, 116459, 217805, 224665, 582295, 815213, 4076065, 5706491, 28532455]

約数ペア:

[(1, 28532455), (5, 5706491), (7, 4076065), (35, 815213), (49, 582295), (127, 224665), (131, 217805), (245, 116459), (343, 83185), (635, 44933), (655, 43561), (889, 32095), (917, 31115), (1715, 16637), (4445, 6419), (4585, 6223)]