28908728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4423}}^1$

素因数の和:4491

約数の個数: 32

約数和(自身を含む): 58396800

約数和(自身を除く): 29488072

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3268, 4423, 6536, 8846, 17692, 35384, 84037, 168074, 190189, 336148, 380378, 672296, 760756, 1521512, 3613591, 7227182, 14454364, 28908728]

約数ペア:

[(1, 28908728), (2, 14454364), (4, 7227182), (8, 3613591), (19, 1521512), (38, 760756), (43, 672296), (76, 380378), (86, 336148), (152, 190189), (172, 168074), (344, 84037), (817, 35384), (1634, 17692), (3268, 8846), (4423, 6536)]