25657429

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:198

約数の個数: 32

約数和(自身を含む): 32768000

約数和(自身を除く): 7110571

約数列:

[1, 7, 19, 31, 49, 127, 133, 217, 343, 589, 889, 931, 1519, 2413, 3937, 4123, 6223, 6517, 10633, 16891, 27559, 28861, 43561, 74803, 118237, 192913, 202027, 523621, 827659, 1350391, 3665347, 25657429]

約数ペア:

[(1, 25657429), (7, 3665347), (19, 1350391), (31, 827659), (49, 523621), (127, 202027), (133, 192913), (217, 118237), (343, 74803), (589, 43561), (889, 28861), (931, 27559), (1519, 16891), (2413, 10633), (3937, 6517), (4123, 6223)]