256055426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{17989}}^1$

素因数の和:18649

約数の個数: 16

約数和(自身を含む): 419670720

約数和(自身を除く): 163615294

約数列:

[1, 2, 11, 22, 647, 1294, 7117, 14234, 17989, 35978, 197879, 395758, 11638883, 23277766, 128027713, 256055426]

約数ペア:

[(1, 256055426), (2, 128027713), (11, 23277766), (22, 11638883), (647, 395758), (1294, 197879), (7117, 35978), (14234, 17989)]