64888144

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{21013}}^1$

素因数の和:21214

約数の個数: 20

約数和(自身を含む): 126378196

約数和(自身を除く): 61490052

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 21013, 42026, 84052, 168104, 336208, 4055509, 8111018, 16222036, 32444072, 64888144]

約数ペア:

[(1, 64888144), (2, 32444072), (4, 16222036), (8, 8111018), (16, 4055509), (193, 336208), (386, 168104), (772, 84052), (1544, 42026), (3088, 21013)]