168678916

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{38371}}^1$

素因数の和:38539

約数の個数: 24

約数和(自身を含む): 339515456

約数和(自身を除く): 170836540

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 38371, 76742, 153484, 268597, 537194, 1074388, 6024247, 12048494, 24096988, 42169729, 84339458, 168678916]

約数ペア:

[(1, 168678916), (2, 84339458), (4, 42169729), (7, 24096988), (14, 12048494), (28, 6024247), (157, 1074388), (314, 537194), (628, 268597), (1099, 153484), (2198, 76742), (4396, 38371)]