128623568

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{63299}}^1$

素因数の和:63434

約数の個数: 20

約数和(自身を含む): 251174400

約数和(自身を除く): 122550832

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 63299, 126598, 253196, 506392, 1012784, 8038973, 16077946, 32155892, 64311784, 128623568]

約数ペア:

[(1, 128623568), (2, 64311784), (4, 32155892), (8, 16077946), (16, 8038973), (127, 1012784), (254, 506392), (508, 253196), (1016, 126598), (2032, 63299)]