128519216

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{49891}}^1$

素因数の和:49929

約数の個数: 40

約数和(自身を含む): 296957184

約数和(自身を除く): 168437968

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 49891, 99782, 199564, 349237, 399128, 698474, 798256, 1147493, 1396948, 2294986, 2793896, 4589972, 5587792, 8032451, 9179944, 16064902, 18359888, 32129804, 64259608, 128519216]

約数ペア:

[(1, 128519216), (2, 64259608), (4, 32129804), (7, 18359888), (8, 16064902), (14, 9179944), (16, 8032451), (23, 5587792), (28, 4589972), (46, 2793896), (56, 2294986), (92, 1396948), (112, 1147493), (161, 798256), (184, 698474), (322, 399128), (368, 349237), (644, 199564), (1288, 99782), (2576, 49891)]