128678144

素因数分解:

$2^8\times 7^1\times {\mathrm{71807}}^1$

素因数の和:71830

約数の個数: 36

約数和(自身を含む): 293551104

約数和(自身を除く): 164872960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 71807, 143614, 287228, 502649, 574456, 1005298, 1148912, 2010596, 2297824, 4021192, 4595648, 8042384, 9191296, 16084768, 18382592, 32169536, 64339072, 128678144]

約数ペア:

[(1, 128678144), (2, 64339072), (4, 32169536), (7, 18382592), (8, 16084768), (14, 9191296), (16, 8042384), (28, 4595648), (32, 4021192), (56, 2297824), (64, 2010596), (112, 1148912), (128, 1005298), (224, 574456), (256, 502649), (448, 287228), (896, 143614), (1792, 71807)]