128728768

素因数分解:

$2^6\times 7^1\times {\mathrm{287341}}^1$

素因数の和:287360

約数の個数: 28

約数和(自身を含む): 291939472

約数和(自身を除く): 163210704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 287341, 574682, 1149364, 2011387, 2298728, 4022774, 4597456, 8045548, 9194912, 16091096, 18389824, 32182192, 64364384, 128728768]

約数ペア:

[(1, 128728768), (2, 64364384), (4, 32182192), (7, 18389824), (8, 16091096), (14, 9194912), (16, 8045548), (28, 4597456), (32, 4022774), (56, 2298728), (64, 2011387), (112, 1149364), (224, 574682), (448, 287341)]