445136

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:698

約数の個数: 20

約数和(自身を含む): 883872

約数和(自身を除く): 438736

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 647, 688, 1294, 2588, 5176, 10352, 27821, 55642, 111284, 222568, 445136]

約数ペア:

[(1, 445136), (2, 222568), (4, 111284), (8, 55642), (16, 27821), (43, 10352), (86, 5176), (172, 2588), (344, 1294), (647, 688)]