25878358

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 44582400

約数和(自身を除く): 18704042

約数列:

[1, 2, 11, 22, 23, 46, 199, 253, 257, 398, 506, 514, 2189, 2827, 4378, 4577, 5654, 5911, 9154, 11822, 50347, 51143, 65021, 100694, 102286, 130042, 562573, 1125146, 1176289, 2352578, 12939179, 25878358]

約数ペア:

[(1, 25878358), (2, 12939179), (11, 2352578), (22, 1176289), (23, 1125146), (46, 562573), (199, 130042), (253, 102286), (257, 100694), (398, 65021), (506, 51143), (514, 50347), (2189, 11822), (2827, 9154), (4378, 5911), (4577, 5654)]