71358128

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{22639}}^1$

素因数の和:22844

約数の個数: 20

約数和(自身を含む): 138964320

約数和(自身を除く): 67606192

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 22639, 45278, 90556, 181112, 362224, 4459883, 8919766, 17839532, 35679064, 71358128]

約数ペア:

[(1, 71358128), (2, 35679064), (4, 17839532), (8, 8919766), (16, 4459883), (197, 362224), (394, 181112), (788, 90556), (1576, 45278), (3152, 22639)]