128499584

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{52837}}^1$

素因数の和:52870

約数の個数: 32

約数和(自身を含む): 269473800

約数和(自身を除く): 140974216

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 52837, 105674, 211348, 422696, 845392, 1003903, 1690784, 2007806, 3381568, 4015612, 6763136, 8031224, 16062448, 32124896, 64249792, 128499584]

約数ペア:

[(1, 128499584), (2, 64249792), (4, 32124896), (8, 16062448), (16, 8031224), (19, 6763136), (32, 4015612), (38, 3381568), (64, 2007806), (76, 1690784), (128, 1003903), (152, 845392), (304, 422696), (608, 211348), (1216, 105674), (2432, 52837)]