256186372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{133153}}^1$

素因数の和:133207

約数の個数: 24

約数和(自身を含む): 495865496

約数和(自身を除く): 239679124

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 133153, 266306, 532612, 1730989, 3461978, 4926661, 6923956, 9853322, 19706644, 64046593, 128093186, 256186372]

約数ペア:

[(1, 256186372), (2, 128093186), (4, 64046593), (13, 19706644), (26, 9853322), (37, 6923956), (52, 4926661), (74, 3461978), (148, 1730989), (481, 532612), (962, 266306), (1924, 133153)]